Donald Boesch, University of Maryland Center for Environmental Science et Donald Scavia, University of Michigan
Nutrient pollution fouls lakes and bays with algae, killing fish and threatening public health. Progress curbing it has been slow, mainly because of farm pollution.
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.
Farmers are contending with huge spikes in fertilizer prices. The Biden administration is paying US companies to boost synthetic fertilizer production, but there are other, more sustainable options.
A new ‘protein roadmap’ produced by CSIRO reveals foods set to fill fridges by 2030 as health, environmental and ethical concerns push consumers away from meat.
The average amount of meat a person ate each year worldwide increased from 29.5kg in 2000 to 34kg in 2019. But there are some surprising differences between nations, including Australia and NZ.
A simplistic ‘all livestock are bad’ narrative is promoted by campaigners, celebrities, philanthropists and policymakers alike. A much more sophisticated debate is needed.