Earth Day

By going vegan tonight, you saved 370 gallons of water. That's as much as you'd save by skipping showers for a month.
Sources:
Biermayer, Peter J. (2006), Potential Water and Energy Savings from Showerheads (p. 6)
Cowspiracy (2014)

By going vegan tonight, you saved greenhouse gas emissions equivalent to 7 lbs of CO2. You'd produce about the same amount by driving 6 miles in a Hummer H3.
Sources:
EPA GHG Equivalencies Calculator
EPA Fuel Economy Estimates
Cowspiracy (2014)

By going vegan tonight, you saved 15 lbs of grain. That grain can feed 7 of the world's poorest people for a day.
Sources:
United Nations Environment Programme (2009), The Environmental Food Crisis (p. 27)
Cowspiracy (2014)