Climate Negotiations

COP 20 Climate Negotiations Wrap: Background and Next Steps

On Sunday, December 14, 2014, UN climate negotiations closed in Lima, Peru with negotiators agreeing to text that will form the basis for a new international agreement expected next year in Paris. The Lima decision sets the foundation for a Paris agreement that can move the world closer to a clean energy pathway that avoids catastrophic impacts of global warming.

Peru

UNFCCC COP 20 Meeting in Peru

Parties to the United Nations Framework Convention on Climate Change (UNFCCC) are gathering in Lima, Peru to lay the foundation for the for the global climate deal that will be finalized in Paris next year.

Climate Change

The Candidate’s Guide to Climate Change

Climate change is no longer a niche political issue. Recent events such as the drought in California and Superstorm Sandy have brought extreme weather to the forefront, and people are searching for information on climate and weather connections. Voters, reporters and debate moderators are increasingly asking questions about climate change.

National Security

National Security Risks

Existing analysis from respected military leaders recognizes the potential threat from climate change as no less than massively destructive and an enormous risk to national security.

Fossil Fuel Companies

The world’s largest oil and gas companies have sky-high budgets, top scientists in their employ, and an incentive to plan for the long term due to their massive investments in permanent infrastructure. They are neither altruistic nor clueless, and they are taking climate change seriously. This includes planning ahead for a future with strong climate policies

Climate Sensitivity

Climate Sensitivity

One thing scientists are still working to figure out is exactly how much warming each ton of CO2 causes. This is called the climate’s “sensitivity” to CO2.

Long-term look climate change Climate Nexus

Long-term Look at Climate Change

It has fallen upon climate scientists to develop the technical sophistication and to employ the research methods necessary to understand climate variables, how they change across time and space, and the degree of human-caused climate disruption.

Dr. Mike Mann on Climate Models

Dr. Mike Mann on Climate Models

Noted climate scientist Michael Mann discusses the scary reality that human greenhouse gas emissions are currently overcoming natural forcings, as well as the current confusion around surface warming, climate models, and natural variability.

Working Group III

Working Group III

Working Group III (WGIII) covers pathways and scenarios for mitigating climate change. This overview pulls out notable findings from the WGIII Summary for Policymakers (SPM).

Working Group II

Working Group II

Working Group II (WGII) covers the impacts and vulnerabilities caused by climate change and discusses pathways for adaptation.

IPCC Working Group I

Working Group I

AR5 reflects advances in science that point to increased levels of certainty on issues already raised and provides greater detail on measurements and projections.

Snow in Sochi

Snow in Sochi

Above-average temperatures in Sochi are causing delays, injuries, and more at Olympic skiing and snowboarding events.

Polar Vortex

Polar Vortex

Right now, the eastern United States is seeing a cold snap, which could cause some to wonder whether the world is still warming