Scientists say warming is increasing faster than at any time in at least 3 million years. There is no guide for what comes next.

By Bob Berwyn

If you think of Earth’s climate system as a backyard swing that’s been gently swaying for millennia, then human-caused global warming is like a sudden shove strong enough to disrupt the usual arc and buckle the chains.

Accelerated Global Warming Could Lock Earth Into a Hothouse Future

Four questions on repeal of its 2009 endangerment finding on greenhouse gases

By Marianne Lavelle

Following three of the warmest years on record, as scientists reckon with climate tipping points and states and cities grapple with the escalating cost of extreme weather and more intense wildfires, the Trump administration this week is expected to formally eliminate the U.S. government’s role in controlling greenhouse gas pollution.

As the Trump EPA Prepares to Revoke Key Legal Finding on Climate Change, What Happens Next?

Hair extensions used primarily by Black women contain a “shocking” range of dangerous chemicals, including breast carcinogens, new research shows.

By Liza Gross

Elissia Franklin is an analytical chemist with an infectious laugh, a penchant for braided hair extensions and a fierce commitment to reducing health disparities for Black women. Growing up on Chicago’s South Side, she saw firsthand the systemic barriers Black women face and resolved to help her community benefit from all she learned as she pursued her career as a chemist.

Toxic Beauty: Black Women Most at Risk From Harmful Chemicals in Unregulated Hair Products