The British charity Veganuary pens open letter urging people to try going vegan in 2021.
Capturing the massive quantities of methane dairy farms emit could reduce overall carbon pollution. But critics say the effort is propping up Big Dairy.
Philip Lymbery tells A greener life, a greener world why factory-farming drives wildlife loss and climate change.
The Vegan Society’s Louise Davies argues that going vegan is crucial in order to tackle climate change.