Russia’s invasion of Ukraine violates the UN Charter and cannot be justified under international law as an act of self-defense or humanitarian intervention.

See how six countries are faring amid efforts to protect 30 percent of the planet’s land and waters by 2030, and what will be saved if they succeed. 

Countries including the United States are ramping up calls for war crimes investigations following an apparent massacre in the Ukrainian city of Bucha. Could Russian leaders be brought to justice und…

To ratchet up economic penalties against Russia over its war in Ukraine, the United States and its allies should consider a coordinated suspension of Russia’s trade privileges.

The West should keep open the possibility of diplomacy with Russia.