The Paris Agreement to combat climate change went into effect on Nov. 4, a landmark deal to tackle global warming amid growing fears that the world is becoming warmer even faster than scientists expected.

Pope Francis praised the 100 countries that joined the Paris climate agreement but emphasized that implementing it must involve multidisciplinary cooperation and special measures of solidarity with the poor.

Americans might be forgiven if they thought they had put the great pipeline wars behind them with the abandonment of the giant Keystone XL.

Researchers say deforestation, pollution, overfishing and the illegal wildlife trade, together with climate change, “are pushing species populations to the edge.”

Heavy damage was reported to homes and farmland in the northern Philippines on Oct. 20 after the strongest storm in three years struck overnight. Typhoon Haima barreled into northern Cagayan and Isabella provinces, ripping the roofs off homes and flattening crops. By late Oct. 21, 13 people had been

The construction of an oil pipeline under a river that supplies drinking water to the Standing Rock Sioux tribe has created a 19th-century-style showdown over territorial lands and treaty rights.