The Department of Justice sued Michigan and Hawaii to protect fossil fuel companies before the states filed their lawsuits.

The Justice Department and EPA are challenging Vermont's and New York's laws after President Donald Trump ordered a crackdown on state climate policy.

The federal government must play a major role helping communities build protection against disasters, official tells Senate panel Thursday.

A list of House conservatives urged leaders Thursday to repeal the entire Inflation Reduction Act.

Governors and legislators should view floods, wildfires and other calamities as inevitable expenses rather than random events, the new report says.

The legislation has faced broad opposition from solar customers, the solar industry and environmentalists.

Assemblymember Buffy Wicks narrowed her bill to facilitate converting farmland into solar developments to win over Rural County Representatives of California, but the measure is still dividing farming groups.

Hot, dry winds blowing off the Saudi desert resulted in unusually high temperatures, according to the country’s National Center of Meteorology.

The watches are part of a study that measures heart rate and pulse and tracks sleep.

He is the first president in at least three decades to deny governors’ requests for funding that’s meant to protect people and property.

State legislators voted down several bills this week that would have tightened regulations of CCS projects.

Scientists previously have suggested that the hypothetical climate fix would require specialized high-altitude vehicles.

André Aranha Corrêa do Lago will oversee a challenging climate summit in the Amazon. Here’s what he has to say about President Donald Trump, China and future COPs.

New research indicates that rising temperatures threaten companies' assets in 48 countries.

RBC, Canada’s biggest bank, cited changes to the country’s Competition Act that restrict the kinds of environmental claims firms can make.

President Donald Trump's current 10 percent tariffs cover most coffee-producing countries, including Brazil, Ethiopia and Colombia, and are expected to drive up costs for Americans.

The governor has long said the 10 million visitors who come to Hawaii each year should help the state's 1.4 million residents protect the environment.

The project’s price tag now exceeds $100 billion, more than triple the initial estimate.

The DOE secretary made a subtle swipe at the continent’s use of renewables, saying that “when you hitch your wagon to the weather, it’s just a risky endeavor.”

The question of who has standing to fight the president in court could be clarified in a case over California's ability to regulate car pollution.