The $3.5 billion plan will fund four major programmes that include a variety of projects to capture carbon dioxide from the air and factories and then store it, says the Department of Energy.
There is a 93% chance of at least one year between 2022-2026 becoming the warmest on record and dislodging 2016 from the top ranking, the UN warns.
Under "business as usual" warming, marine ecosystems could see mass extinction comparable to that of end-Permian extinction, known as the "Great Dying", which occurred 250 million years ago, scientists say.
African continent's renewable energy projects could blunt harshest global heating effects, power its projected economic development, and lift millions out of poverty, UN report says.
For 50/50 chance of limiting rise in global temperatures to 1.5C, 19 countries including US and UK must end their energy production first, a new report says, adding poor oil producers like Angola could end production by 2050.
The Great Barrier Reef Marine Park Authority said most of the marine park had been hit by "significant heat stress" over the summer, with water temperatures as much as 2-4 degrees Celsius above average.
By 2050, seas lapping against the US shore will be 10 to 12 inches higher, a new government report warns.
More than 34,000 people have been made homeless and almost 43,000 are displaced due to severe flooding in northeastern Bahia state, with climatologists blaming global heating for the disaster.
The hardest hit were corals in South Asia and the Pacific, around the Arabian Peninsula, and off the coast of Australia, according to largest ever survey of coral health.
Activist Greta Thunberg at Fridays for Future climate rally ahead of Germany's elections on Sunday says, "Voting only will not be enough. We must keep going into the streets."
Antonio Guterres' figure shatters temperature targets of Paris climate deal, which aimed for heating well below 2C and preferably capped at 1.5C above pre-industrial levels.
Seven of the costliest 10 climate disasters in past five decades occurred after 2005, with three of them in 2017, even as disasters kill far fewer people, UN report says.
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