President-Elect Joe Biden’s appointment of John Kerry to a newly created climate envoy position shows that he is committed to returning the United States to its status as a global leader on climate change.

Experts have warned that time is running out to avoid climate catastrophe. Will the global climate conference spark action?

A pending U.S. withdrawal from the Treaty on Open Skies has alarmed some allies in Europe, who fear losing a valuable means of monitoring Russia.

Extraordinary U.S. government incentives are proving popular with many large chipmakers, but it is too early to tell how much of the semiconductor industry can be lured back to the United States. …

Washington is hoping it can force asylum seekers to stay south of the border.