Feeding insects instead of grain to animals is an inexpensive, sustainable way to increase the world food supply. An animal scientist explains what’s involved in developing insect feed for cattle.
Julien Emile-Geay, USC Dornsife College of Letters, Arts and Sciences
Thanks to humans, the concentration of planet-warming carbon dioxide in the atmosphere is now 50% higher than before the industrial era. These gases are raising Earth’s temperature.
Mark J. Lara, University of Illinois at Urbana-Champaign
Ground is collapsing and massive lakes are draining in a matter of days. Thawing permafrost is having profound effects on the region and its infrastructure.
Un discours simpliste tenu par des activistes, des célébrités, des philanthropes, des décideurs politiques voudrait que « tous les animaux d'élevage soient mauvais ». Ce qui est loin de la réalité.
A simplistic ‘all livestock are bad’ narrative is promoted by campaigners, celebrities, philanthropists and policymakers alike. A much more sophisticated debate is needed.
Natural gas was once widely seen as a bridge fuel to renewable energy. But the industry’s methane leaks make it a larger global warming threat than people realized.
It’s the World Health Organization’s first update of global air quality guidelines since 2005. We know far more today about the serious risks these pollutants pose to human health.
Xiaoming Xu, University of Illinois at Urbana-Champaign and Atul Jain, University of Illinois at Urbana-Champaign
A new study provides a detailed way to calculate the climate impact of food production, which could lead to more sustainable farming policies and methods.
The results of Foote’s simple experiments were confirmed through hundreds of tests by scientists in the US and Europe. It happened more than a century ago.