Scientists say 2020 was either the hottest year on record or a close second or third

Protecting the world’s biodiversity is on the agenda for world leaders at the One Planet Summit, which was being held by videoconference due to the coronavirus pandemic

Companies stockpiled enough permits for public lands to keep pumping for years.

2020 was the warmest year in Europe since records began, according to data published Friday by the EU climate monitoring service

ABC News’ chief meteorologist Ginger Zee on how climate change affects extreme weather and what we can do to slow down the change.

OceanX, an organization seeking to explore oceans, teamed up with NatGeo on an upcoming docuseries to give an inside look at their work.

One of the few silver linings in the COVID-19 pandemic was the significant reduction of greenhouse gas emissions as people stayed home to prevent spreading the virus.

As Donald Trump prepares to leave office, U.S. greenhouse gas emissions are plunging to levels not seen in decades. But experts say it isn’t happening fast enough.

Organic energy uses a thin film panel to capture the sun's rays and converts it to power, similar to traditional solar power.

Multinational conglomerate Unilever said Monday it would be the first major company to put its ambitious climate change goals before a shareholder vote.

Biden pledged to rejoin the Paris climate accord the first day of his presidency

World leaders stage a virtual gathering to celebrate the pact's 5th anniversary,

ABC News’ Ginger Zee takes a look at how to think green as you shop for gifts this holiday season.

Five years after the historic climate deal in Paris, world leaders are again meeting to increase efforts to fight global warming

This year has seen record Atlantic hurricanes and western U.S. wildfires, devastating floods in Asia and Africa and a hot, melting Arctic

A new report shows how warming temperatures in the Arctic are transforming the region's geography and ecosystems

The conservation status for Australia's Great Barrier Reef has been lowered to critical due to climate change.

Mining giant Glencore says it aims to stop adding greenhouse gas emissions to the atmosphere by 2050

A record-breaking 2020 fire season is likely a result of the growing climate change crisis around the world.

Nestle says it will spend $3.6 billion over five years to improve its climate footprint

Dozens of leading U.S. companies signed a letter urging President-elect Joe Biden and lawmakers to re-enter the nation into the Paris Climate Agreement.

United Nations Secretary-General Antonio Guterres has given another dire warning on the dangers looming from climate change.

A conservation agency is warning that climate change is damaging the sites.

The head of the United Nations is calling on countries to end what he calls a war on nature and instead embrace a future without carbon pollution triggering global warming

A group of environmental organizations backed by thousands of Dutch citizens is launching a civil case against the energy giant Shell

ABC News spoke with a variety of health experts to determine the top five ways climate change is affecting human health.

With a thin majority expected in the next session of Congress, Rep. Alexandria Ocasio-Cortez and Co. will enjoy disproportional influence over Democratic caucus.

Progressive Democrats rallied at the Democratic National Committee's headquarters in D.C. to demand President-elect Joe Biden's bold action on climate change.

The U.N.’s top climate chief says deadlines set by some of the world’s top polluters to end greenhouse gas emissions have boosted hopes of meeting the Paris accord's ambitious goals

Renewable energy capacity is expected to increase by 4% this year globally, according to the International Energy Agency’s Renewables 2020 report.

ABC News’ Ginger Zee reports on what President-elect Joe Biden moving to have the U.S. rejoin the Paris Agreement would mean for the battle against climate change.

Climate change is slowing the weakening of hurricanes after they make landfall.

The humble beginnings of Greta Thunberg’s climate protest are seen in the opening minutes of the new documentary “I Am Greta.”

German Chancellor Angela Merkel says that the U_S_ and Germany must stand “side by side” in handling the coronavirus pandemic, fighting global warming and terrorism, and in working for “an open global economy and free trade."

Global food production is a major contributor to the collective release of greenhouse gas emissions and plays a major role in the threat to the climate fight.

A new study says how we grow, eat and waste food is a big climate change problem that may keep the world from reaching its temperature-limiting goals, but we don't all have to go vegan

The pact aims to avert the threat of catastrophic climate change.

President Donald Trump said three years ago the U.S. would leave the Paris Agreement, and it's finally official.

The U.S. will officially withdraw from the Paris Climate Agreement on Wednesday, three years after President Donald Trump announced his intent.

The U.S. is set to officially withdraw from the Paris Climate Agreement on Nov. 4, a day after the presidential election.

A dozen unmasked protesters carrying American flags stood outside the home of Utah's State Epidemiologist Dr. Angela Dunn, after Dunn's address was leaked online.

A near-zero carbon alternative to cement.

ABC's Ginger Zee breaks down the science behind climate change and why experts are calling for the climate change debate to move beyond settled science and focus on action.

Climate change will be one of the topics discusses in the last presidential debate of 2020, but climate scientists say they already agree on what and why it's happening.

Ginger Zee examines the impact of sea level rise on the quality of our water.

ABC News senior meteorologist Ginger Zee breaks down the climate change headlines from the vice presidential debate.

Prince William has joined forces with renowned British broadcaster and naturalist David Attenborough to launch a new environmental prize that they hope will drive a “decade of change.”

Ugandan activist Vanessa Nakate has challenged world leaders to “wake up” and recognize climate change as a crisis

ABC News’ Ginger Zee breaks down the facts from the first climate change question in more than a decade at Tuesday’s presidential debate.

The consequences climate scientists have long been warning about are coming to fruition in the increased intensity of natural disasters around the globe.