Michael Birnbaum

• Climate Solutions

Florida officials have been sinking ships and dropping concrete barriers and other structures that will create new homes for fish and other marine life.

• Climate Solutions

Morocco and North Africa's solar energy could help Europe free itself from Russian fossil fuels.

• National Security

Officials believe more than one vessel might have been involved in sabotaging the natural gas pipeline last year and wonder if a 50-foot sailing yacht that investigators scoured for clues could be a decoy.

• Climate Solutions

Vanuatu got a big win after the U.N. General Assembly backed an effort to get the top international court to spell out how countries are on the hook for climate change.

• Environment

Fewer ships are willing to load oil at Russian ports on the Gulf of Finland, where even a small problem could be disastrous.

• Environment

The conflict in Ukraine is a human tragedy. It is also an environmental disaster.

• Environment

'Zombie' viruses are buried in the Arctic permafrost. European researchers warn they may increasingly be unleashed as global warming thaws it.

• Environment

A new study found far more plastic in global oceans than previously believed — and the amount is doubling every six years.

• National Security

A Western official said an investigation uncovered evidence that pro-Ukraine entities discussed the possibility of sabotaging the pipelines.