As the main driver of climate change, the connection between burning fossil fuels and global warming is clear. (scientificamerican.com)
These cycles are clearly the primary drivers of climate change on the scale of roughly 100,000 years, 40,000 years and 20,000 years. (masterresource.org)
But as chickens and cows themselves eat food and burn off their own energy, meat is a also major driver of climate change. (pearltrees.com)