The livestock sector could use almost half of the 1.5 degrees Celsius greenhouse gas emission budget allowed by 2030 so addressing this should be a key part of the strategy to hit climate targets a new study said on Tuesday. Farmed animal law and policy fellow Helen Harwatt at Harvard Law School advises that getting protein from plant sources instead of animal sources would drastically help in meeting climate targets and reduce the risk of overshooting temperature goals. For the first time Harwatt proposes a three-step strategy to gradually replace animal proteins with plant-sourced proteins as part of the commitment