The former New York City Mayor and billionaire philanthropist told CNN that though he did not want to criticise the President, “virtually every scientist - with peer review - says the same thing” about global warming and climate change.

Mr Bloomberg admitted that some issues within climate science are still up for debate, such as when the world will cross the point of no return in terms of cooling the planet through reduction of greenhouse gas emissions.

However, "no reputable person or scientist doubts that we are creating an environmental and a climate change problem” with not regulating the reduction of carbon dioxide in the atmosphere, Mr Bloomberg said.

Mr Trump also recently pulled the US from the Paris Agreement on climate change, which nearly 200 countries signed in an effort to help poor countries adjust to an already-changing climate as well as make wealthier countries more “green”.

"Is it helpful that America pulls out and the president says these things? No, it is not helpful. Is it a disaster for the world? No, it just makes us look foolish,” he commented.

Mr Trump thinks the Paris accord puts the US - particular the coal industry - at an “economic disadvantage”.

10 photographs to show to anyone who doesn't believe in climate change Show all 10 1 /10 10 photographs to show to anyone who doesn't believe in climate change 10 photographs to show to anyone who doesn't believe in climate change A group of emperor penguins face a crack in the sea ice, near McMurdo Station, Antarctica Kira Morris 10 photographs to show to anyone who doesn't believe in climate change Floods destroyed eight bridges and ruined crops such as wheat, maize and peas in the Karimabad valley in northern Pakistan, a mountainous region with many glaciers. In many parts of the world, glaciers have been in retreat, creating dangerously large lakes that can cause devastating flooding when the banks break. Climate change can also increase rainfall in some areas, while bringing drought to others. Hira Ali 10 photographs to show to anyone who doesn't believe in climate change Smoke – filled with the carbon that is driving climate change – drifts across a field in Colombia. Sandra Rondon 10 photographs to show to anyone who doesn't believe in climate change Amid a flood in Islampur, Jamalpur, Bangladesh, a woman on a raft searches for somewhere dry to take shelter. Bangladesh is one of the most vulnerable places in the world to sea level rise, which is expected to make tens of millions of people homeless by 2050. Probal Rashid 10 photographs to show to anyone who doesn't believe in climate change Sindh province in Pakistan has experienced a grim mix of two consequences of climate change. “Because of climate change either we have floods or not enough water to irrigate our crop and feed our animals,” says the photographer. “Picture clearly indicates that the extreme drought makes wide cracks in clay. Crops are very difficult to grow.” Rizwan Dharejo 10 photographs to show to anyone who doesn't believe in climate change Hanna Petursdottir examines a cave inside the Svinafellsjokull glacier in Iceland, which she said had been growing rapidly. Since 2000, the size of glaciers on Iceland has reduced by 12 per cent. Tom Schifanella 10 photographs to show to anyone who doesn't believe in climate change A river once flowed along the depression in the dry earth of this part of Bangladesh, but it has disappeared amid rising temperatures. Abrar Hossain 10 photographs to show to anyone who doesn't believe in climate change A shepherd moves his herd as he looks for green pasture near the village of Sirohi in Rajasthan, northern India. The region has been badly affected by heatwaves and drought, making local people nervous about further predicted increases in temperature. Riddhima Singh Bhati 10 photographs to show to anyone who doesn't believe in climate change A factory in China is shrouded by a haze of air pollution. The World Health Organisation has warned such pollution, much of which is from the fossil fuels that cause climate change, is a “public health emergency”. Leung Ka Wa 10 photographs to show to anyone who doesn't believe in climate change Water levels in reservoirs, like this one in Gers, France, have been getting perilously low in areas across the world affected by drought, forcing authorities to introduce water restrictions. Mahtuf Ikhsan

He and Environmental Protection Agency (EPA) head Scott Pruitt spoke about exporting US coal to other countries in an effort to boost the industry and create jobs.

In reality, approximately 70,000 Americans work in the coal sector.

As Mr Bloomberg said, “more people work at [fast food chain] Arby’s that work in the coal business.”

“We have to help them,” he noted, adding that the President’s proposed federal budget actually takes money away from job re-training government programmes for miners that would help prepare them for new careers.

“There is nothing that is going to save coal miners’ jobs, they will continue to decline as technology gets better,” said Mr Bloomberg.

Mr Trump has been repeatedly promising coal miners a resurgence in their job market since the beginning of his presidential campaign, but without providing specifics or taking into account that the industry has been in steady decline since the 1970s.

Bloomberg Philanthropies has been donating funds to such programmes in an effort to help.