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Beef produces 85 kg CO2e per kg of food. Tofu produces 2.9 kg CO2e per kg of food.
(ourworldindata.org)
Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.
As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades:
How much each change to the atmosphere has warmed the world:
Recommended actions to cut greenhouse gas emissions in the near future:
Anti-science, inactivism, and unsupported conspiracy theories are not ok here.
Can you expand on that or at least link me to the people smarter than me?
they take a myopic view of the inputs and outputs for food sources, not considering, for instance, that much of what is fed to animals would otherwise be wasted. the beef doesn't produce all that CO2, poore & nemecek were calculating all the co2 that goes into the inputs. i mentioned elsewhere cottonseed, but frankly i know that only takes up a minute portion of what they're calculating. instead, they are also counting soy, and that's almost as dishonest as you can get. nearly all soy is pressed for oil, and after that, the waste product is what is fed to cattle and other livestock. technically, you could eat it, but most people don't and don't want to. feeding it to livestock actually reclaims waste products. and even the calculation for the soy itself is skewed since it often also counts the deforestation that has already taken place as an emission source, regardless of whether that particular plot of land has been deforested for decades.
I was surprised to see 0.34 Kg or CO~2~ per Kg of Potatoes, but now that I read this, it makes sense.
They are taking many other things into account.
I didn't lie at all: the other user doesn't seem to know how poore and nemeceks lcas are calculated in the first place