Scientists say the rain forest is approaching a critical tipping point at which the damage is irreversible.

Fires in the Amazon have aroused international concern because of the rain forest’s outsize impact on climate, but political tensions are hampering the response.

President-Elect Lula will soon take office in Brazil, more than a decade after his second term ended. What’s in store for this third Lula administration?

Presidents Trump and Biden have turned to the Defense Production Act to procure critical medical supplies during the coronavirus pandemic. What does the law do?

A Kremlin crackdown on independent media is walling off Russians from the truth about the country’s widely condemned invasion of Ukraine, but Western-funded media outlets are ramping up efforts to ci…