Cutting greenhouse gas emissions rapidly and immediately will save lives, livelihoods and ecosystems around the world, scientists say. And there are lots of ways to go about it.

There is one number that the Environmental Protection Agency relies on to decide which climate policies to pursue. So why does that number assume the lives of richer people are worth more?

Climate goals can feel distant. But climate change is happening right now. Speed up the benefits for taking action, psychologists say, if you want leaders and others to pay attention and act.

Despite new agreements to limit methane emissions and beef up weather forecasts, vulnerable countries aren't getting any more help and the Earth is headed for catastrophic warming.

The President said the United States is cutting its greenhouse gas emissions, and promised again to give more money to developing countries on the front lines of climate change.

World leaders are meeting in Egypt for the next two weeks to talk about reining in climate change and paying for its deadly effects. Here's what you need to know.

The SEC is expected on Monday to propose new requirements for companies to disclose their greenhouse gas emissions and risks to their businesses from climate change.

In an on overview published ahead of its full report, the National Oceanic and Atmospheric Administration said that 2021 ranked the third costliest on record for such events.

Climate scientists warn that emissions need to fall quickly. Those cuts will be even tougher with the Build Back Better legislation shelved for the foreseeable future.

Carbon dioxide emissions are rebounding after a dip in 2020, and researchers say that at the current rate, Earth's "carbon budget" will be exhausted in roughly 11 years.

Nations are beginning pivotal talks to stop extreme climate change, but a new study shows even recent pledges to slow emissions aren't enough.

The U.N. meteorological agency says despite a decrease in emissions due to reduced economic activity during COVID-19, carbon dioxide and other warming gases continued to accumulate in the atmosphere.

Burning fossil fuels must decline almost immediately, a new study finds, for the planet to avoid more extreme floods, droughts and heat waves.

Scientists said the concentration of carbon dioxide, which contributes to climate change, is the highest in data going back 800,000 years, based on ice core records.

At least 21 people died in floods in Tennessee over the weekend. Such dangerous flash flooding is a hallmark of climate change.