Unexpected Surge in Atmospheric Methane

Summary A dramatic and surprising surge in atmospheric methane has emerged over the past several years. If not mitigated, this new trend could off-set the gains anticipated from the Paris Climate Agreement. In response, scientists have begun ringing alarm bells …
Heartland

NCA4: American Heartland Fact Sheet

The National Climate Assessment finds that global warming is impacting every state in the country, and those in America’s Heartland are no different. The Midwest and Great Plains are seeing hotter temperatures, more intense downpours, flooding, crop damages and other …
Climate Assessment

4th U.S. National Climate Assessment Vol.II: Main Messages

Trump Administration Climate Report: It’s Real, It’s Here, It’s Because of Fossil Fuels. And The Sooner We Fix It, The Better. The National Climate Assessment (NCA) is a congressionally-mandated report released at least every four years on what the past, …
National Climate Assessment

4th U.S. National Climate Assessment Vol. II: Notable Findings

NCA4, Part Two: Impacts, Risks and Adaptation How Climate Change is harming humanity, shaping societies and endangering environments The Trump Administration’s recently published 4th National Climate Assessment Volume II, on climate impacts, risks and adaptation covers 19 national topics and …

Hurricanes

Infographics: Climate Change and Hurricanes

Infographics and videos below are available for download and re-publication. Please credit Climate Signals. Human‐caused climate change is supercharging hurricanes and exacerbating the risk of major damage in three primary ways. Sea level rise elevates and extends the reach of coastal …

Expert briefing on 1.5C

Exclusive Briefing on IPCC Special Report on 1.5°C Transcript has been edited for clarity Moderator: Good evening from Incheon and good morning to all of you back in the U.S. I’m Bridgette Burkholder and I’ll be moderating the call today. …

Shipping

Countries Convene to Tackle Runaway Shipping Emissions

Starting on April 9th, the International Maritime Organization (IMO) will meet for the 72nd session of the Marine Environment Protection Committee (MEPC) in London, where delegates are expected to agree on an initial strategy for reducing climate pollution in the international shipping sector. The shipping …
National

4th U.S. National Climate Assessment: What Is It?

Background The U.S. National Climate Assessment is a regular science report by 13 federal agencies, mandated by Congress to inform the nation and our government about climate change. The Fourth National Climate Assessment (NCA4), Volume II documents how climate change …
Clean Power Plan

Fact-Checking Clean Power Plan Claims

Now that it is finalized, the Clean Power Plan will be an important part of the public discussion on climate change. Unfortunately, some claims may stray from the truth, so we’ve compiled some resources to make fact-checking easier.

Cattle

Grazing Cattle and Climate Change

How do cattle drive climate change? Cattle are a type of mammal called ruminants, which are able to break down plants rich in cellulose by fermenting and digesting them in a multi-part specialized stomach. This “enteric fermentation” process allows them …
Impacts

The Localized Health Impacts of Fossil Fuels

From extraction to combustion, fossil fuel operations put human health at serious risk Environmental harm is often accepted as the necessary exchange for jobs and other benefits provided by the fossil fuel industry. But this often doesn’t take into account …
Paris Agreement

Paris Agreement Withdrawal FAQ

Learn more about the implications of the United States' withdrawal from the Paris Agreement We’ve put together some common questions and answers on a Paris pullout: How does withdrawing from the Paris Agreement work? Could the U.S. rejoin the Paris …
Harvey, Sign of Climate Change

Harvey & Climate Change: A Comprehensive Guide

The science of attributing extreme weather to climate change is complicated and developing every day. Here’s a guide of what we know about the links between climate change and Harvey to help unpack the elements that contributed to this historic …