Solar farms are proliferating on undeveloped land, often harming ecosystems. But placing solar canopies on large parking lots offers a host of advantages — making use of land that is already cleared, producing electricity close to those who need it, and even shading cars. YALE ENVIRONMENT 360

The biggest climate conference in history was a tiny step toward solving a gargantuan problem. VOX

Eagerly awaited results of the largest-ever study of psilocybin were announced Tuesday, with Compass Pathways revealing the psychedelic drug was highly efficacious as a therapy for treatment-resistant depression. STAT

A father and son in remote Siberia are trying to engineer an ice age ecosystem. Peer-reviewed scientific papers show they are slowing global warming. REUTERS

Infrastructure experts in the San Francisco Bay Area have begun replacing impermeable roads and stormwater drains with water gardens and restored marshlands. INSIDE CLIMATE NEWS

A new paper investigates the effects of chlorine treatment at water sources in some Kenyan villages. The findings were astounding. VOX

Deep lake water cooling (DLWC) is used to cool over 100 buildings in the city. It saves enough electricity to power a town of 25,000 – and it’s so popular the city is pursuing an expansion. THE WASHINGTON POST

Forested Bhutan, Suriname and Panama now absorb more emissions than they produce. Can other countries join them? THOMSON REUTERS FOUNDATION

Huge architectural gems built deep into the Earth like inverted fortresses are scattered around India – and restoring them may be a solution to help the country's parched communities. BBC FUTURE

A California startup backed by the shipping giant Maersk wants to turn America’s farm waste into clean fuel for mammoth container ships. The company, WasteFuel, is working to build facilities across the country that produce “bio-methanol” from corn husks, discarded wheat straw, and other agricultural scraps — a low-carbon fuel produced in tiny volumes today. GRIST

The study found that up to 43,000 premature deaths could be prevented annually in more than 1,000 European cities if they achieved the recommendations set out by the World Health Organization (WHO) in terms of residential proximity to green space. THE CONVERSATION

The announcement, on day three in Glasgow, that financiers who control 40 percent of the world’s corporate assets, with a value of $130 trillion, are promising to set their future investments toward achieving net-zero greenhouse gas emissions in 2050, is clearly a big deal. YALE ENVIRONMENT 360

Tuesday’s highlight at the Glasgow climate summit was the Declaration on Forest and Land Use, under which more than 100 leaders — from Russia to Brazil to Canada to Indonesia — pledged to end deforestation and land degradation by 2030. A second major announcement Tuesday, the pledge by 80 nations to join an initiative of the European Union and the United States to cut methane emissions by 30 percent during this decade, looks more auspicious. YALE ENVIRONMENT 360

A new treatment could soon help protect people from developing severe COVID. AstraZeneca has just released results from a phase 3 clinical trial – the final stage of testing before a drug is authorised – that suggest its new COVID treatment, AZD7442, is effective at reducing severe disease or death in non-hospitalised COVID patients. THE CONVERSATION

Half of the world's land is used to grow our food. A new generation of 'carbon farmers' are making their land absorb greenhouse gases, rather than emitting them. BBC FUTURE

Concrete is responsible for more than four percent of all global CO2 emissions. In the race to find alternatives, some companies are using it to sequester CO2 instead. WIRED

Climate change is a massive problem. Ontario’s Flash Forest has an unusual solution. THE WASHINGTON POST

The country’s voucher-focused help for American renters is mired in red tape, and many landlords opt out. Would cash work better? THE ATLANTIC

Worldwide, shark populations are on the decline. Boosting their numbers could have a cascade effect to help sink carbon and make the oceans more resilient to climate change. BBC FUTURE

To combat COVID and future pandemics, governments need to heed the lessons of these social interventions and not just the technological ones. South Korea teaches us that high-tech solutions can help protect against disease, but these work together with social interventions. THE CONVERSATION