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ON HUDSON BAY (AP) — Searching for polar bears where the Churchill River dumps into Canada's massive Hudson Bay, biologist Geoff York scans a region that's on a low fat, low ice diet because of climate change . And it's getting lower on polar bears.

ROME (AP) — Two foreign tourists, a 5-month-old baby and his grandmother, were missing on Tuesday after floods hit Italy’s central Tuscany region overnight, firefighters said.

SAN JUAN, Puerto Rico (AP) — Heavy rains lashed the Cayman Islands on Tuesday as forecasters warned that a nearby cluster of thunderstorms could soon become a major hurricane en route to the southeast U.S.

ROME (AP) — Two foreign tourists, a 5-month-old baby and his grandmother, were missing on Tuesday after floods hit Italy’s central Tuscany region overnight, firefighters said.

PUERTO ESCONDIDO, Mexico (AP) — Hurricane John struck Mexico’s southern Pacific coast with life-threatening flood potential after growing into a major hurricane in a matter of hours.

SAN JUAN, Puerto Rico (AP) — Hurricane watches were issued for parts of Cuba and Mexico on Monday as a cluster of storms south of the Cayman Islands was expected to strengthen into a major hurricane while moving north toward the U.S.

NEWPORT, Ore. (AP) — On a cloudy late August morning, Burke Hales was on a boat a mile off the central Oregon coast, pointing to a sandy beach along the forested shoreline.

RIO DE JANEIRO (AP) — When Brazil’s President Luiz Inácio Lula da Silva opens the U.N. General Assembly on Tuesday, he is expected to call on the world to do more to combat climate change.

UNITED NATIONS (AP) — The U.N. General Assembly's yearly meeting of world leaders is here — and with it, an array of acronyms, abbreviations, titles and terms that can be confounding to observers. Here is some key vocabulary, decoded. For starters ..

TOKYO (AP) — Small tsunami waves splashed ashore on remote Japanese islands Tuesday morning after an earthquake that may have been triggered by volcanic activity.