Op-Eds

A new book explains why policymakers nearly 100 years ago chose to ignore the best science on the Colorado River’s flow — and the dangers if we repeat their mistake.

The oil industry has long fought, and will continue to fight, against energy transformation. Here’s how we can fight back.

Revoking California’s ability to set stricter air-pollution standards also misses three important benefits to California and the nation.

A dire report about our climate and oceans underscores the great need for action. A global oceans treaty could help save the future.

The decline of a rare cactus in a national park epitomizes the Trump administration’s failure to protect endangered species along the border.

People displaced by drought, sea-level rise, wildfires and other environmental threats are not currently considered “refugees,” like people fleeing violence or oppression. That needs to change.

It all boils down to diluted language that minimizes the perception of how we’re devastating our rivers and other bodies of water.

Automakers, utilities and appliance makers actually oppose some of the planned deregulation. But antiregulation hardliners are winning out.

The Pacific bluefin tuna is vulnerable to extinction and yet fisheries managers may vote to increase the number that can be caught.

The United Nations recently identified overfishing as one of the major threats to the world’s biodiversity. But there’s a solution to help both fish and people.