How can we stop global warming?

1. Decrease the amount of greenhouse gases in the air

1.1. How much is in the air?

1.1.1. 400ppm of CO2 http://400.350.org/

1.1.2. How much methane?

1.1.3. Image

1.2. What's the impact of each greenhouse gas?

1.2.1. https://www.epa.gov/ghgemissions/understanding-global-warming-potentials

1.3. What increases greenhouse gases?

1.3.1. http://www.greeneatz.com/foods-carbon-footprint.html

1.3.2. Buying things http://www.peachreport.com/2011/10/laptops-tvs-surprisingly-large-contributors-to-climate-change/

1.4. How much greenhouse gas do we need to remove?