Energy and Thermal Physics

The environmental energy costs of food

Stories from Physics for 11-14 14-16 IOP RESOURCES

Vegetarian diets have a significant environmental benefit in terms of the energy costs of production. Just 4% of the energy transferred from the fossil fuels used to produce animal-based food typically becomes protein, but this measure is 46% for grains.


appears in the relation ΔEΔt>ℏ/2 ΔQ=mcΔθ E=hf E ∝ A^2
has the special case Photon Energy
is used in analyses relating to Emission/Absorption Spectra Phase Change
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