The main cause of climate change is greenhouse gas emissions from fossil fuels (coal, oil and natural gas), which trap heat in the atmosphere and warm the planet. (villageindependentdemocrats.org)
Burning fossil fuels is the globe's biggest source of human - caused greenhouse gases and the primary cause of climate change. (scientificamerican.com)
Even if some facts are liable to discuss, what remains in my opinion as the most encouraging sign is the openness on natural causes of climate change.. (notrickszone.com)