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NEW DELHI (AP) — A blistering heat wave is sweeping across northern India with temperatures soaring above the normal, disrupting daily life and raising health concerns. The mercury shot up to 47.

MEXICO CITY (AP) — Tropical Storm Barbara gradually weakened Tuesday as it continued heading northwest away from land after earlier strengthening to a hurricane. The storm marked the first hurricane of the eastern Pacific hurricane season . The U.S.

NICE, France (AP) — Eighteen countries ratified the High Seas Treaty on Monday, bringing the total to 49 — just 11 short of the 60 needed for the ocean agreement to enter into force. The surge in support, occurring during the U.N.

WASHINGTON (AP) — The population of emperor penguins in one part of Antarctica appears to be declining faster than previously thought, according to a new analysis of satellite imagery released Tuesday.

MONTREAL — Quebec has abolished its floor price on gasoline in a bid to bring down costs at the pump. The Quebec government announced the measure in April after the federal government scrapped the consumer carbon tax.

A U.S. district judge in Arizona has opened the door for the next round of legal wrangling as environmentalists and some Native Americas seek to stop the federal government from transferring land in Arizona for a massive copper mining project.

NICE, France (AP) — The third U.N. Ocean Conference opened Monday as pressure mounts for nations to turn decades of promises into real protection for the sea.

FREDERICTON — The spring migratory season got off to an encouraging start for one threatened bird species, a national conservation group says, noting it recently logged thousands of chimney swifts at a single address in Fredricton.

HALIFAX — Two leading environmental groups are giving a thumbs up to Nova Scotia's ambitious plan to dramatically expand its fledgling offshore wind energy industry. But both groups were quick to add caveats.

NICE, France (AP) — Dozens of research and exploration vessels from around the world set sail just off the French coastal city of Nice on Sunday to kick off the third U.N. Ocean Conference and pay tribute to World Oceans Day .