The target could be reached by a number of paths, experts say, but it would require a dramatic transformation in society’s energy usage and would most likely encounter political pushback.
The United States is back in the Paris climate accord, but the depth of its commitment will become clear only in the next two weeks, when President Joe Biden unveils the details of the nation’s pledge for reducing greenhouse gas pollution.
A bovine diet of almond hulls, cotton seed, spent grains and other by-products reduces water and energy costs and the land needed to grow feed. It also helps the planet.
As California farmers work to curb methane emissions from the state’s sprawling dairy farms, they’ve found a convenient solution that helps control costs—and happens to offer benefits for the climate.