Brazil has deployed firefighters and military troops to the Amazon,...as massive wildfires devastate the world's largest tropical rainforest.<br />Brazilian President Jair Bolsonaro ordered military means on Sunday to battle the fires in seven states along the Amazon.<br />French President Emmanuel Macron said on Sunday that G7 countries including the U.S. and Italy were finalizing a possible deal on "technical and financial help" on fighting the fires."<br />Often referred to as the lungs of the planet, the Amazon rainforest produces a fifth of the oxygen on Earth.<br />