Assessment
Science

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

Below are selected highlights and excerpts from Volume 1 of the 4th U.S. National Climate Assessment by the U.S. Global Change Research Program, published on November 3, 2017.   Report Highlights The report concludes “it is extremely likely that human …
Harvey, Sign of Climate Change
Science

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 …

Antarctic
Science

Antarctic Warming

Antarctic ice loss will cause catastrophic sea level rise Despite being the coldest place on Earth, Antarctica is very vulnerable to global warming and represents the world’s largest source of potential sea level rise. Many of its ice shelves are …
Season Creep
Science

Season Creep

Climate change is disrupting the natural cycle of seasons Climate change forces spring to arrive much earlier, while winters to become shorter and milder. This phenomenon has been documented globally and informally dubbed as “season creep.” Season creep can have …
Sea Levels
Science

Sea Level Rise

Sea levels are rising rapidly Sea levels have risen between eight to ten inches since they began increasing in the middle of the 19th century. The speed of rising has accelerated, with its rate doubling since 1992. These changes stand …
Arctic Sea
Science

Arctic Sea Ice

Climate change is a key driver of Arctic Sea Ice decline Sea ice in the Arctic is rapidly disappearing and the decline is accelerating. Climate change is a key driver of this trend, with the Arctic warming twice as fast …
Ocean Acidification
Science

Ocean Acidification

Ocean acidification threatens the marine food web and coastal communities.

Extreme Heat
Science

Extreme Heat

One of the clearest findings of climate science is that global warming amplifies the intensity, duration and frequency of extreme heat events.

Wildfires
Science

Wildfires

Wildfire season has gotten almost 20 percent longer over the past 35 years worldwide as a result of rising global temperatures and fewer rainy days.

Photograph on the beach of high waves with the sunset sun. El Niño event
Science

El Niño

El Niño Southern Oscillation (ENSO) is a large-scale ocean-atmosphere interaction in the tropical Pacific Ocean. ENSO consists of oscillations between a warm phase (El Niño) and a cool phase (La Niña).