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OTTAWA — The federal Liberals published data on the economic and emissions impact of carbon pricing on Thursday.

Dozens of hikers say they fell ill during trips to a popular Arizona tourist destination that features towering blue-green waterfalls deep in a gorge neighboring Grand Canyon National Park .

Environment Canada has issued tornado watches for several parts of Ontario, including communities north and east of Toronto.

OTTAWA — Canada's greenhouse-gas emissions will be 12 per cent lower in 2030 with carbon pricing in place than they would be if it was scrapped, new federal data published Thursday suggest.

MONTREAL — Global shippers convened in Montreal on Thursday to sort out which sustainable fuels their vessels should use — a key question given that boats built today will still be running in 2050.

ATHENS, Greece (AP) — Authorities in Greece closed down the Acropolis in Athens during the afternoon on Thursday for a second day as the country swelters under unseasonably high temperatures.

LAKE ANNA, Va. (AP) — Environmental officials are testing lake water at a popular recreational destination in central Virginia after at least 20 people reported E. coli infections.

SEATTLE (AP) — The United States granted the Makah Indian Tribe in Washington state a long-sought waiver Thursday that helps clear the way for its first sanctioned whale hunts since 1999 and sets the stage for renewed clashes with animal rights activ

Wildlife experts have hit a dead end in their quest to determine how a gray wolf arrived in southern Michigan for the first time in more than 100 years.

WASHINGTON (AP) — President Joe Biden's grip on a key federal energy commission will last beyond his first term, giving a boost to the Democrat's push for renewable energy regardless of the election results in November.