Climate Crisis

Climate Ready

Hawaii will place new or increased taxes on tourists to fund climate projects.

Climate change worsened by human behavior made 2025 one of the hottest years ever recorded

Both crises share common roots and solutions, researchers say.

The world’s polar bear population is projected to decline by two-thirds by 2050.

The summit has likely declined more than 20 feet, the study said.

Similar demonstrations took place in several Italian cities over the weekend.

ABC News chief meteorologist Ginger Zee breaks down what led to criticism of a recent study looking at climate change and sea level rise.

The agreement does not include a roadmap to phase out fossil fuels worldwide.

A raging fire erupted at the U.N. Climate Summit in Brazil, forcing those in attendance to evacuate.

Seven states along the coasts face the worst potential impact.

A coalition of 100 local U.S. leaders made the trip to Belem, Brazil.

The highest increases were seen in mountain lion, coyote and bobcat encounters.

COP30 is being held in Belém, Brazil, the "gateway" to the Amazon rainforest.

A GOP plan to open the National Petroleum Reserve to drilling was finalized.

The calving was so drastic that it caused measurable earthquakes in the region.

"This dataset was simply too important to stop being updated."

Three Culiseta annulata mosquitoes were found in the garden town of Kjós. Along with Antarctica, Iceland was previously one of two regions too cold for mosquitoes to inhabit.

Climate change is causing the mosquito to expand its geography.

Emissions from U.S. consumption are comparable to fossil fuel use, a study said.

One of the most elusive animal species may disappear, researchers said.

The climate change event was attended by global climate ambassadors.

The pontiff also appeared to criticize American politicians this week for the treatment of immigrants as “inhuman.”

Researchers at the University of Texas believe warming temperatures prompted a rare hybridization of a blue jay and green jay.

The president made several suspect claims about clean energy and climate change.

Ornithologists and hobby birders alike were thrilled over the hybridization.

ABC News’ Chief Meteorologist Ginger Zee fact checks President Donald Trump’s claims on climate change and renewable energy being “too expensive” from his United Nations speech on Tuesday.

Researchers have orchestrated a "baby boom" of corals that will help fortify the reef system off the Florida coast that was heavily degraded as a result of record ocean warming.

Over 85 scientists released a critical review of a recent DOE climate report.

The waste could be used for nuclear fusion, say researchers.

Juneau, Alaska is bracing for possibly catastrophic flooding as a basin dammed within the Mendenhall Glacier has started to release rainwater and snowmelt downstream, according to officials.

Residents in Juneau have been urged to evacuate

The Perito Moreno glacier in Argentina was previously considered stable.

Record high temperatures are also possible for cities like Phoenix and Tucson.

Ocean experts warn about coastal shorelines changing over time and how climate change can impact coastal erosion.

The rule is the result of the 2007 Supreme Court decision Massachusetts v. EPA.

Michael Gerrard, the founder of the Sabin Center for Climate Change Law at Columbia University, discusses the Environmental Protection Agency’s latest proposal.

Extreme heat is the leading weather-related killer in the United States.

A deluge of rain caused flash flooding in New York City and surrounding regions.

Warming ocean waters are encouraging more rapid production of harmful blooms.

Greenhouse gases have resulted in a warming planet, scientists say.

The "Roadless Rule" has been effective since enacted in 2001, supporters say.

Warming waters are causing the colors of the ocean to change -- a trend that could impact humans if it were to continue, according to new research.

Ocean waters toward the poles and the equator are now different hues.

ABC News chief meteorologist Ginger Zee discusses the relationship between rising temperatures and snowstorms.

Strains of Aspergillus are already in the U.S. but are expected to expand.

The changes would reverse two landmark power plant emission regulations.

ABC News Chief Meteorologist Ginger Zee reports on the complex relationship between climate change and weather forecasts.

NOAA’s Climate Prediction Center warns of above-average temps across the U.S.

Penguins could be playing a crucial role in stabilizing the climate in Antarctica when they go No. 2, according to new research.

Ammonia in penguin and seabird poop could help increase the formation of clouds.