All Insights

Could home delivery of locally-treated water increase access to clean drinking water?

Access to clean drinking water remains one of the world’s most pressing public health challenges, with more than 2 billion people around the world left without clean water to drink. Only 14 percent of rural households in low- and middle-income...

Michael Greenstone knows it’s corny, but he wants to make the world a better place — by tracking the impact of air quality, developing pollution markets in India, and … starting a podcast, which Steve says proves he’s over the...

In this session, 2025 EPIC AQ Fund Awardee Lagos Metropolitan Transport Authority (LAMATA), represented by Muizz Ogbara, shares their perspective as a government partner and advocate deploying a network of air quality sensors across Lagos. They outline their process for...

In this episode, Frank explains: Why vultures are critical for ecosystems and public health How a common painkiller triggered a collapse in vulture populations Why that collapse may have caused 500,000 additional human deaths What this teaches us about the...

Starting in January 2026, publicly listed Brazilian companies will be required to disclose their greenhouse gas emissions. This follows similar actions taken around the world—from Australia to New Zealand and the European Union. What will we learn from these disclosures?...

Unmanaged rainfall is an escalating public health threat for cities worldwide. Nearly 1.8 billion people live in flood-prone areas. This number is rising rapidly as urbanization expands into risky zones and climate change intensifies rainfall. In many parts of the...

How do rainfall and rising sea levels together shape mortality risks in coastal megacities like Mumbai?

Environmental economist ⁠Eyal Frank⁠ reveals to David and Tony Five ⁠the many benefits of bats⁠.

Sea level rise doesn’t look like a single global flood—it looks like repeated, localized disasters: flooded streets, collapsing home values, and hard choices about where to live. This episode explores how coastal communities, housing markets, and homeowners are reckoning with...