In their analysis of a special computer model designed to calculate effects, scientists told the AP that the data suggests a USA withdrawal from the climate change deal "could result in emissions of up to 3 billion tons of additional carbon dioxide in the air a year", which would then create severe rises in temperature that would "melt ice sheets faster, raise seas higher and trigger more extreme weather".
"I will be announcing my decision on the Paris Accord over the next few days", he said in the tweet.
"At least previous leaders, even though their actions have been woefully inadequate, at least they recognised that there was a problem with climate, and something needed to be done", he said, describing Mr Trump as a "complete maverick" on the issue.
But Trump's chief White House economic adviser, Gary Cohn, told reporters during the trip overseas that Trump's views on climate change were "evolving" following the president's discussions with European leaders.
At the summit, German Chancellor Angela Merkel told reporters the climate debate was "controversial" and that the leaders of the other G7 nations - France, Japan, Canada, Britain and Italy - all urged Trump to remain a part of the 2015 agreement.
"As a big developing nation we should shoulder our global responsibility".
Other European leaders issued more explicit appeals to the U.S. government not to abandon worldwide measures against climate change.
"Please don't change the (political) climate for the worse", European Council President Donald Tusk tweeted.
Russian Federation has also spoken out ahead of Mr Trump's decision with a Kremlin statement saying the Paris agreement would be less effective without the major participants. Musk said at the time that he would seek a consensus of fellow council members on recommendations for changes that could be suggested to Trump.
The exit of the United States, the world's largest economy and second-largest greenhouse gas polluter, would not dissolve the 195-nation pact, which was legally ratified past year, but it could set off a cascade of events that would have profound effects on the planet.
If the United States were to pull out of the accord, it would join Syria and Nicaragua as three out of the 145 countries that have signed on to the 2015 agreement sponsored by the United Nations to slow climate change. The ad said that climate change is both a "business risk" and a "business opportunity", and said continued participation in Paris will actually benefit the USA economy and job growth.
Trump claimed before taking office that climate change was a "hoax" created by the Chinese to hurt the US economy, an assertion that stands in defiance of broad scientific consensus.
At the recent G7 meeting, other world leaders are understood to have urged Trump to stay inside the agreement, though the United States did not commit to the deal as other leaders did.
Tiger Woods asleep at wheel when arrested on DUI charge
New details have emerged in the arrest of Tiger Woods on a charge of driving under the influence and they don't sound good. This comes as he is close to breaking PGA Tour win and major win records held by Sam Snead and Jack Nicklaus.
Mr Trump is expected to announce in coming days he will withdraw the USA from the Paris climate agreement. "Climate change presents both business risks and business opportunities".
"[The US] can still keep some kind of presence in the negotiations, just as we did after we didn't ratify the Kyoto Protocol, and serve as a placeholder for the US to eventually re-enter the world community on this issue", Light says.
"President Vladimir Putin signed this convention when he was in Paris".
Carbon dioxide stays in the air for 100 years and about one-fifth of what's accumulated in the atmosphere over the last century came from the United States, more than any other country. Nevertheless, he suggested on social media that leaving the climate deal would be part of his broader national economic agenda that puts USA interests first.
Russian Federation joined the chorus speaking out in favour of the climate accord.
"Those who want to export their goods and services to our market also have to accept our standards", he said.
Scientists say Earth is likely to reach more risky levels of warming sooner as a result of the president's decision because America contributes so much to rising temperatures.
There is no reason that the Gunners can not play the way they did against Chelsea in the cup final in every game. Chelsea were reduced to 10 men in the FA Cup final after Victor Moses received a second yellow card for diving.
James Davison will replace Sebastien Bourdais in the No. 18 vehicle for Dale Coyne Racing in the 2017 Indianapolis 500 . Bourdais' two laps around IMS on Saturday were the fasted in the field to that point.
The cores of even more massive stars can collapse past the neutron star state, disappearing from the observable universe. The LIGO system features two widely separated observing stations to make sure a local vibration is not misinterpreted.
England continued to try to attack their way out of trouble, and paid further price with two more wickets in the same over. We are pretty sure [of our best XI] but we have 15 really good players and the team can change at any time .
Their absences came amidst reports that both, after receiving criticism, would play downsized roles in the White House. Asked about Spicer not being included in the group that met the Pope, a source close to the White House said: "Wow".
There is nothing unusual about this, given Trump's penchant for late-night tweets that often result in widespread controversy. After deleting the tweet , Trump , sphinx-like, wrote , "Who can figure out the true meaning of "covfefe"??? ".
Former world No.1 Jelena Jankovic has defeated Richel Hogenkamp of the Netherlands 6-2 7-5 to progress to the second round. Before the Australian Open in January, Schiavone (pronounced skee-ah-VOH-nay) announced that she would retire this year.
Last week, the superstar said he would join politics if "God wants me to". "I am a pure Tamil now", he told his fans. Known for its galaxy of actor-turned-politicians, Tamil Nadu seems to be getting ready to welcome more star power.
To emphasize his point, he compared LaVar Ball to Kardashians momager, Kris Jenner , as reported by CBS Sports . It's been no secret that UCLA point guard Lonzo Ball hopes to stay in California and play for the Lakers.
Paramedics hospitalized over a dozen people who were sick in the downtown area where the homeless gather during the incident. Social Security's trust funds are projected to run dry in 2034 and Medicare's is projected to run out of money in 2028.
No. 20 for Venus
Tomic is blessed with huge ability and can frustrate opponents, but clay is a surface that he endures rather than enjoys. But also, I realized I had to put some balls in the court, so that would be my main focus at that point".
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James Passes Jordan, Cavs Back In Finals With 135-102 Win
I feel like this: If my 76ers had the chance, I'd like to see them do a 50's Celtics and just be in the finals year after year. They may be defending champions and they may have LeBron James , but against Golden State, they are definite underdogs.
Flying objects shot down after crossing North-South border
The South responded with machine-gun fire after an unidentified North Korean aircraft crossed the DMZ early previous year . It traveled about 310 miles (500 kilometers) before landing in the Sea of Japan, according to South Korea's armed forces.
Trump in Italy for second day of G-7 meetings
Trump told Macron he is under "heavy" pressure back in the USA on the climate accord brokered by the Obama administration in 2015. Cohn also said "His basis for decision ultimately is going to be what's best for the United States,".
Manchester bomber was in Düsseldorf 4 days before attack
Grande initially posted a brief Twitter message the day after the attack, and suspended all scheduled performances through June 5. More arrests have been made in connection with the deadly suicide bomb attack at a concert venue in Manchester .