News That Matters

Tag: Diet

Science Says: Diet plays big role in how huge whales can get

A new study finds diet plays a big role in how large whales can getBy MALCOLM RITTER AP Science WriterDecember 14, 2019, 2:09 PM4 min readNEW YORK -- Whales are big, but why aren't they bigger? A new study says it's basically about how many calories they can take in. That's the conclusion of researchers who used small boats to chase down 300 whales of various species around the world. They reached out with a long pole to attach sensors to the creatures with suction cups, allowing them to record what the animals were doing on their dives for food. The results suggest body size is controlled by how whales capture prey and how much food is available, researchers reported Thursday in the journal Science. The study included 90 blue whales, the biggest animal ever to live. Size estima...
Plant-based diet can fight climate change – UN

Plant-based diet can fight climate change – UN

Switching to a plant-based diet can help fight climate change, UN experts have said.A major report on land use and climate change says the West's high consumption of meat and dairy produce is fuelling global warming.But scientists and officials stopped short of explicitly calling on everyone to become vegan or vegetarian.They said that more people could be fed using less land if individuals cut down on eating meat.The document, prepared by 107 scientists for the UN's Intergovernmental Panel on Climate Change (IPCC), says that if land is used more effectively, it can store more of the carbon emitted by humans.It was finalised following discussions held here in Geneva, Switzerland.Climate change: Where we are in seven chartsTwelve ...