Currently, one-fourth of all fish caught globally goes to produce fishmeal and fish oil for farmed seafood, pigs and chickens. A lot of it is "food grade" and could be feeding the world's hungry.
What's the single most important thing that the world's farmers could do to reduce global warming? Give cattle — especially in the tropics — faster-growing, more nutritious pasture.
Sir David Fagan is a 16-time winner of the coveted Golden Shears. But he lost an exhibition match against New Zealand Prime Minister Bill English at the World Shearing and Woolhandling Championships.
After two mass strandings left over 650 pilot whales washed ashore at a remote beach and hundreds died, volunteer rescuers finally got some good news: A large pod swam back to sea overnight.
Volunteers gathered early to send some 100 surviving whales back to sea, after one of the worst mass strandings in New Zealand's history. But just hours later, a new large pod washed ashore nearby.
Pat Brown was a renowned biomedical researcher. But he left that to tackle what he saw as the biggest problem facing Earth: animal agriculture. His solution: a veggie burger so beef-like it bleeds.
The country's Department of Conservation says the stranding of more than 400 whales is one of its worst on record. Rescue attempts are underway for the survivors, which number upwards of 100.
Carp are a major food source, but they've been plagued by viruses. Scientists now say they have a simple solution. And along the way, they hit on an ancient commonality between fish and people.
Truffles are a culinary delicacy that sell for big bucks — and some dogs have long been bred specifically to sniff them out. But could any old dog be trained to pick up this lucrative new trick?