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TOLEDO, Ohio (AP) — Stifling heat blanketed tens of millions across United States on Tuesday, forcing people and even zoo animals to find ways to cool down as summer arrives in what promises to be a sweltering week.

OTTAWA — Parliamentary budget officer Yves Giroux told a House of Commons committee Monday that the federal Liberals are not muzzling him over economic data related to the impact of carbon pricing.

FENTON, Mich. (AP) — With much of the Midwest and the Northeast broiling — or about to broil — in extreme summer heat this week, meteorologists are talking about heat waves and heat domes.

A heat wave gripped Ontario and Quebec for a second consecutive day on Tuesday, while dangerously hot and humid conditions settled in over parts of Atlantic Canada.

CALGARY — The City of Calgary says a panel will review why a massive water main ruptured two weeks ago, while experts say the extended water conservation crisis should be a nationwide wake-up call.

MONTREAL — There's no doubt the weather across much of Eastern Canada this week is very, very hot. But is the region experiencing a heat wave or a heat dome, and what is the difference between the two? It depends on whom you ask.

CALGARY — Canadian oil and gas companies facing a federally imposed emissions cap will decide to cut their production rather than invest in too-expensive carbon capture and storage technology, a new report by Deloitte says.

GUATEMALA CITY (AP) — Three men drowned in Guatemala when two of them tried to help another who had tried to cross an overflowing river, as heavy rains caused death and destruction across Central America, authorities said Tuesday.

FREDERICTON — As Central and Eastern Canada brace for the year's first heat wave, medical experts are warning of the particular health risks faced by people taking medications that can alter the body's response to extreme temperatures. Dr.

PORTLAND, Maine (AP) — A year after an experimental submersible imploded en route to the Titanic, unanswered questions linger — with no immediate answers. Tuesday marks one year since the Titan vanished on its way to the historic wreckage site.