With the ink still drying the on the newly signed global pact to fight climate change, reaction is pouring in on social from leaders across the world in support of the landmark "Paris agreement."

The deal saw 200 nations agree to collectively cut and eliminate greenhouse gas pollution, and keep global temperatures from rising anther degree Celsius until 2100, in an effort to protect poor countries and island nations from rising sea levels and other effects of climate change.

After it was announced that a deal had been reached, U.S. President Barack Obama took to Twitter to celebrate the occasion.

Obama's sentiments were echoed by a chorus of politicians north of the border, including NDP Leader Tom Mulcair and Environment and Climate Change Minister Catherine McKenna.

Green Party Leader Elizabeth May also chimed in, saying that the world is "grateful" that Canada's election was held in advance of the summit in Paris.

May added that countries to need get to work on reducing emissions, particularly for air travel and shipping.

Former U.S. president Bill Clinton stressed the need to create a shift in industry towards sustainability.

Clinton's former vice-president and climate activist, Al Gore, called the agreement "bold" and "historic."

Billionaire businessman Richard Branson shared Clinton's sentiments, saying that the agreement presents an opportunity to "build a new economy" and that business is "poised to help make it happen."