Buy a live Christmas tree and plant it in the early spring when it can resume its role to remove carbon dioxide from the atmosphere.
The energy expended to deliver a mixed drink is about three to four times lower than a glass of wine.
Future drought is likely to have major effects on natural landscapes and the plants that inhabit them.
Hypoxia is one of the side-effects of modern agronomic systems which strive to feed 7 billion of us with a nutritious diet.
What we have created in agriculture is a massive theater of natural selection for drug-resistant mutant bacteria, which can infect humans.
Year-to-year variations in climate, including rainfall and the length of the growing season, remain the greatest determinant of agricultural productivity and the cost of food.
When it’s gone, it will be very difficult to supply phosphorus to crops without major expense, and there is no substitute.
With liberal assumptions, the maximum apparent rate of carbon sequestration in biochar is only about 2% of the current annual emissions of carbon, as carbon dioxide, to the atmosphere from fossil fuel combustion
Alas, the size of this year’s ozone hole over Antarctica was among the largest ever. And the remaining ozone layer was exceptionally thin.
Some types of food can be grown more efficiently overseas and shipped to the point of use, with less overall energy use.