Biodiversity being destroyed at record rate: Humans are overusing the Earth’s biocapacity by at least 56 percent, and agriculture is one of the “biggest threats” to biodiversity. (Living Planet Report 2020)
Fertilizer and climate change: From its energy-intensive production to the greenhouse gases released by its use, synthetic fertilizer is a significant driver of climate change (Bloomberg Green)
Study finds wild Alaskan salmon smaller: Species of wild Alaskan salmon are shrinking, a new study has found, the possible result of climate change and competition from hatchery-raised fish. (The Guardian)
How light affects milk production: The seasonal decline in available natural light, from 16 to 18 hours of daylight in spring to 8 to 10 hours a day in winter, can reduce milk production by 5 to 10 percent. (AgWeb)