CLIMATE CHANGE

Climate change and its threat to the economy "can no longer be denied," U.S. President Barack Obama says Saturday, in advance of his Earth Day speech.

Data in three separate analyses shows 2015 might break 2014's record as the hottest year ever.

Between 2003 and 2009, methane emissions from the Four Corners region accounted for about 10 percent of yearly emissions in the country.

A new study warns of massive deglaciation in the region by the end of the century if current trends of greenhouse gas emissions continue.

A new model estimates the majority of Americans believe global warming is happening.

Florida residents remain divided in the climate change debate despite the state being one of the most vulnerable to global warming.

According to a new study, polar bears driven off their natural frozen habitat may not be able to survive on a terrestrial diet.

A new study has found that while it takes merely decades to damage marine ecosystems, their recovery might take thousands of years.

Washington added 480 Energy Star-certified buildings over the past year to rank No. 1 on an Environmental Protection Agency list.

West Antarctica, which has witnessed a 70 percent increase in the rate of loss from ice shelves over the last decade, is the worst affected.

The Global Catholic Climate Movement is petitioning world leaders to reach an agreement on climate change in Paris this year.

Scientists have developed 30 new types of beans that may be able to endure a global temperature rise of up to 7.2 degrees Fahrenheit.

The head of the China Meteorological Administration warns climate change poses risks to his country’s infrastructure projects.

The ice cover in the Arctic fell to 5.61 million square miles -- the lowest annual maximum ever recorded.

According to U.N. estimates, at least 24 people were killed by the deadly Cyclone Pam.

The university, the second richest in the U.K., has collective endowment assets of over $5 billion.

The lack of a rise in emissions last year is the first time in 40 years when a halt in growth or a reduction was not tied to an economic downturn.

The issue of mitigating the threat posed by climate-related disasters took center stage at the U.N. World Conference on Disaster Risk Reduction.

It turns out workers in several Florida state agencies were told to not use phrases like "global warming" or "climate change."

Responding to a letter from Senate Democrats, Koch Industries declined to share information about climate research funded by the company.

The Arctic is already the fastest warming part of Earth, and is experiencing accelerated thinning and shrinking of its ice cover.