Air pollution makes hail bigger

Grist is the only award-winning newsroom focused on exploring equitable solutions to climate change. It’s vital reporting made entirely possible by loyal readers like you. At Grist, we don’t believe in paywalls. Instead, we rely on our readers to pitch in what they can so that we can continue bringing you our solution-based climate news. Donate now and your gift will be TRIPLED. Join us as a $25/month donor or make a $300 one-time gift, and we’ll send you a limited-edition gift bundle as a token of our gratitude. It’s our way of saying thanks for supporting our work.