High hotel prices for Brazil's COP30 climate summit in November have prompted the United Nations to urge its staff to limit attendance, while government delegations are still scrambling to find rooms ...

Brazilian officials have yet to receive visas to attend the UN General Assembly in New York next week, the foreign ministry said Monday, as trade and diplomatic ties with Washington remain strained.

The Amazon was approaching a "point of no return" of 20 to 25 percent vegetation loss at which it "ceases to sustain itself as a rainforest," said Bruno Ferreira, a researcher at the MapBiomas ...