Denis Hayes

Just a Bit More on Earth Day(s) Past and Present

Kudos to the New York Times for Its Stellar Earth Day Coverage–Today & 50 Years Ago

This week, several of my Legal Planet colleagues and I have been posting and musing about Earth Days past, present and future. As I write this, Earth Day 50 is winding down after a multitude of (largely online) demonstrations and celebrations across the globe. One long-term, disturbing development over the past couple of decades has …

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Earth Day’s 50th Anniversary: A Reflection

Why Celebrating Environmental Values & Goals Is Now More Important Than Ever

Today marks the 50th anniversary of America’s first Earth Day. Beginning on April 22, 1970, the United States and global community have rallied each year to celebrate environmental values and goals. It seems especially important to commemorate and continue that tradition in the midst of the current coronavirus pandemic. The first Earth Day was a …

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Reflections on “Yes they can control the weather.”

Marjorie Taylor Greene is wildly wrong about government scientists controlling hurricanes. There is a rich history of weather modification experiments that make that false claim more dangerous.

Why You Should Read CA’s ExxonMobil Plastic Lawsuit

California’s lawsuit against ExxonMobil for lying about plastic recycling is the latest example of the state using old-fashioned legal tools to address more modern harms.

The Election, Vehicle Emissions, and State Climate Plans

If the California car waiver survives a possible Trump presidency, we may have the overruling of Chevron to thank.

How to Make Trees Worth More Standing Than Cut Down

The Katoomba Group is celebrating 25 years of pioneering new approaches to realizing value in nature. Here’s what we’ve learned.

Climate, Energy, and Environment on the Ballot

Ballot measures in Washington and California are especially important but others are worth noting.

Model Uncertainty in Politics and Climate Policy

The polls could be systematically off, not just due to random error. That’s a worry with climate models as well.

Still Crazy After All These Years

There’s been an alarming growth of conspiracy theories, often antisemitic ones, to explain extreme weather events.

We Need a Circular Economy for EV Batteries

California got close to making suppliers ensure EV batteries are managed responsibly at end of life. Here’s why 2025 should be the year California creates a circular economy for EV batteries.

The Dangerous Embrace of Convenient Narratives Over Inconvenient Truths

As it turns out, Nature doesn’t care what stories you post on social media or spin on TV.

New Environmental Laws Focus on Public Health

Many of the environmental-focused bills that the governor signed this year involve ways to alleviate the health disparities faced by frontline communities.