Greenhouse Gases Have Increased Significantly Over The Past Years

Greenhouse Gases Have Increased Significantly Over The Past Years The most common greenhouse gases are methane and carbon dioxide, and their concentrations have increased significantly over the past years In 2019, carbon dioxide and methane concentrations increased about 48% and 160% respectively. The Main Causes of Greenhouse Effects & Global Warming The following main factors contribute to global warming ▷ Deforestation ▷ Industrial emissions of gases ▷ Burning fossil fuels ▷ Chemical reactions for making steel, cement, fertiliser and aluminum