Where does your state rank on the ‘2023 Greenest States’ list?

The list compared the 50 states across three dimensions: environmental quality, eco-friendly behaviors and climate change contributions.

Interesting facts about Earth Day: Who created the holiday?

The founder of Earth Day was Senator Gaylord Nelson, who was inspired to create the global observance after one of the worst ecological disasters in U.S. history.

Japan, US agree to go forward with partnership in developing geothermal energy

The memorandum of cooperation was signed Saturday on the sidelines of a meeting of the Group of Seven energy and environment ministers in the northern city of Hokkaido.

Landmark law saved whales through marine industry changes, scientists say

The drive to protect vanishing whales has brought impacts to marine industries and those changes are accelerating as the Endangered Species Act approaches its 50th anniversary.

In Colorado River talks, still no agreement about water cuts

On one side is California and some tribes along the river that want to protect their high-priority rights to the river’s water, which they use for drinking and farming. On the other side are the other six states — Colorado, Nevada, Arizona, Utah, Wyoming and New Mexico — who say it’s time to come up with an approach that more fairly shares the river.

Study: Climate change causing spike in MLB home runs

A new study finds that climate change is making major league sluggers into even hotter hitters, sending an extra 50 or so home runs a year over the fences.

How sulfate causes air in Texas' Gulf of Mexico coast to be more polluted

Researchers at the University of Houston claim shipping emissions, humidity, and strong sea breeze also contribute to the hazy conditions.

Scientists find ‘mountains,’ variable structures near Earth’s core

Samantha Hansen, a lead researcher, said the team was surprised by how “abundant” the structures were, finding evidence all over the southern hemisphere.

Here's what really happens to your used clothing donations

Overall, only about 15% of used clothes and other textile waste is recycled in the U.S., according to EPA data. Here’s how to make sure your old clothes have the best impact.

Here's why there could be pink snow at Yellowstone this summer

Visitors can see a variety of colorful snow patches, including pink, green, orange, and brown at different areas of Yellowstone Park this summer.

Teens value working for companies with positive environmental impact: Survey

A survey of high schools on what’s important to them in their future careers found they prioritize purpose, specifically addressing sustainability, hunger, and environmental concerns.

Hawaii considers tourist fees to help protect its natural environment

“All I want to do, honestly, is to make travelers accountable and have the capacity to help pay for the impact that they have," one Hawaii lawmaker said.

Gas prices could hit $4 a gallon after OPEC production cut

As of Monday, regular gasoline averaged roughly $3.50, according to AAA. If Flynn's prediction holds, it could mean gasoline prices will climb above $4 per gallon as summer nears.

Saudis, others cutting oil production could spike prices worldwide

Higher oil prices would help fill Russian President Vladimir Putin's coffers as his country wages war on Ukraine and force Americans and others to pay even more at the pump amid worlwide inflation.

Prehistoric sabertooth skull found in Iowa likely last of species to walk Earth, researchers say

Radiocarbon dating indicates the male sabertooth cat died at the end of the Ice Age between 13,605 and 13,460 years ago before getting buried in the East Nishnabotna River in southwest Iowa.