The tides they are a-changin’ — and it’s not just from climate change

Dredging rivers, filling in wetlands and other human acts of engineering have shifted coastal ebbs and flows worldwide. Add rising sea levels, and the threat of storm surges and floods will worsen in some places.

Alexandra Witze • knowable
April 22, 2020 ~10 min

food-environment physical-world

The soil solution

Policymakers, entrepreneurs and farmers are increasingly looking to soils in their fight to slow climate change

Laura Poppick • knowable
March 11, 2020 ~13 min


Fighting fire with fire ... and fauna

Climate change is aggravating the seasonal burns that Australia has always known. They won’t be snuffed out, but new ecological strategies may help.

Tim Vernimmen • knowable
March 5, 2020 ~14 min

wildfire explained food-environment physical-world

How humans shift fish evolution | Things to Know

VIDEO: By targeting larger individuals, intense fishing may lead to a fishery dominated by the small

Tien Nguyen • knowable
Feb. 27, 2020 ~1 min

videos living-world food-environment

What makes food ‘local’?

More people are choosing what to eat based on where it was grown, made or created. An anthropologist looks at the myriad ways we link food to place — and whether it really could make a difference.

Stephanie Parker • knowable
Feb. 26, 2020 ~12 min

society qa food-environment

Out of Antarctica, churnings of climate change

The interplay of carbon dioxide, winds and Southern Ocean waters could be reaching an environmental tipping point

Anil Ananthaswamy • knowable
Feb. 25, 2020 ~22 min

climate-change food-environment physical-world

The iron ocean

Through dust, not rust, the metal plays a complex, controversial role in Earth’s climate

Emily Underwood • knowable
Dec. 19, 2019 ~25 min

climate-change food-environment physical-world

The human hand in fish evolution

Fishery practices that go for the big ones may be counterproductive when mostly the small survive

Tim Vernimmen • knowable
Dec. 9, 2019 ~12 min

qa living-world food-environment

An amphibious rescue mission

On the edge of extinction, rare frogs and toads need more than a little love to reproduce. High-tech help, from IVF to hormone therapy, may save them.

Stephanie Pain • knowable
Oct. 8, 2019 ~21 min

living-world food-environment

The next omics? Tracking a lifetime of exposures to better understand disease

Of the millions of substances people encounter daily, health researchers have focused on only a few hundred. Those in the emerging field of exposomics want to change that.

Lindzi Wessel • knowable
Sept. 19, 2019 ~17 min

public-health health-disease food-environment physical-world