A disturbing new climate change study predicts global temperature increases of up to 8 degrees Fahrenheit as atmospheric carbon concentrations double. Humanity, it’s clear, is close to missing the chance to avoid the worst ravages of fossil fuel pollution.

That level of warming would spell disaster for our oceans and coastal communities. Coral reefs would die; marine biodiversity would plummet. Flooding and extreme storms would pummel coastal residents. And ocean acidification and hypoxia would change the basic building blocks of marine life in dangerous, unpredictable ways.

This study is just the latest alarm going off to demand climate action now. We can’t wait any longer to stop drilling and mining for fossil fuels in our public lands and waters. Such…