Arctic Sea Ice Decline: Observations, Projections, Mechanisms, and Implications

Arctic Sea Ice Decline: Introduction
Arctic Sea Ice Decline: Introduction
Arctic Sea Ice Decline: Introduction
Arctic Sea Ice Decline: Introduction
Arctic Sea Ice Decline: Introduction
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979–2007
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century
Some Aspects of Uncertainty in Predicting Sea Ice Thinning
Some Aspects of Uncertainty in Predicting Sea Ice Thinning
Some Aspects of Uncertainty in Predicting Sea Ice Thinning
Some Aspects of Uncertainty in Predicting Sea Ice Thinning
Some Aspects of Uncertainty in Predicting Sea Ice Thinning
Some Aspects of Uncertainty in Predicting Sea Ice Thinning
Some Aspects of Uncertainty in Predicting Sea Ice Thinning
Some Aspects of Uncertainty in Predicting Sea Ice Thinning
Some Aspects of Uncertainty in Predicting Sea Ice Thinning
Some Aspects of Uncertainty in Predicting Sea Ice Thinning
Some Aspects of Uncertainty in Predicting Sea Ice Thinning
Some Aspects of Uncertainty in Predicting Sea Ice Thinning
Some Aspects of Uncertainty in Predicting Sea Ice Thinning
Some Aspects of Uncertainty in Predicting Sea Ice Thinning
Sensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy Budget
Sensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy Budget
Sensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy Budget
Sensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy Budget
Sensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy Budget
Sensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy Budget
Sensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy Budget
Sensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy Budget
Sensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy Budget
Sensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy Budget
Sensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy Budget
Sensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy Budget
Sensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy Budget
Sensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy Budget
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
Sea Ice–Albedo Feedback and Nonlinear Arctic Climate Change
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent
What Is the Trajectory of Arctic Sea Ice?
What Is the Trajectory of Arctic Sea Ice?
What Is the Trajectory of Arctic Sea Ice?
What Is the Trajectory of Arctic Sea Ice?
What Is the Trajectory of Arctic Sea Ice?
What Is the Trajectory of Arctic Sea Ice?
What Is the Trajectory of Arctic Sea Ice?
What Is the Trajectory of Arctic Sea Ice?
What Is the Trajectory of Arctic Sea Ice?
What Is the Trajectory of Arctic Sea Ice?
What Is the Trajectory of Arctic Sea Ice?
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control Simulation
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears
A Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears