Gravity as a possible solution to one major drawback of wind and solar power, and reasons to be cautiously optimistic about our prospects for the climate overall. Plus, the link between physical strength and mental health. And the CDC’s zombie preparedness guide.Sponsors:ExpressVPN, ExpressVPN.com/kottke for an extra 3 months FREE on a one-year packageShopify, Get a 14-day free trial at shopify.com/kottkeLinks:Gravity Could Solve Clean Energy's One Major Drawback (Wired UK)Gravity Energy Storage Will Show Its Potential in 2021 (IEEE Spectrum)The rare spots of good news on climate change (MIT Technology Review)What's the Difference Between a Rise of 1.5, 2, and 3 Degrees Celsius? (Global Citizen)On the Surprising Link Between Physical Strength and a Healthy Brain (Literary Hub)How the CDC would act in a zombie outbreak (Boing Boing)Preparedness 101; zombie pandemic (CDC) Kottke.OrgJackson Bird on TwitterSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.