Dicamba is associated with some cancers in humans and can drift from its intended target to kill other plants and affect ecosystems.

The U.S. Environmental Protection Agency plans to repeal all greenhouse gas emission standards for light-duty, medium-duty, and heavy-duty vehicles and engines in the coming days after it removes the scientific finding that justified those rules,

Officials with a small but mighty California agency known as the Office of Environmental Health Hazard Assessment said they remain committed to rigorous science.

The Trump administration wants to reverse a 2009 EPA finding that greenhouse gases endanger people. The finding is the basis for much of the United States' climate change regulations.

The federal agency is said to be drafting a proposal to reverse a ruling that greenhouse gases are bad for human health.

A bipartisan Senate appropriations bill seeks to prevent the Trump administration from cutting the Environmental Protection Agency’s (EPA) scientific research office. Text of the appropriations bill,