From countries and corporations to fossil fuel producers and steakhouses, almost everyone is pledging to reach net-zero emissions. But meeting these promises would require a Planet B to offset Planet A. We need other solutions.
Our efforts to harness the sun’s energy to power our future may require up to 5% of the territories of some countries, a new simulation finds. This could have significant direct and indirect environmental side effects, including habitat loss and deforestation. But there are ways to avoid this.