Why does polygamy endure in urban environments?

Experts have long believed that in fast-growing, urban environments, polygamy would disappear. In Bamako, Mali, where the population is nearly 3 million and rapidly growing, and economic incentives to polygamy have faded, ...

How fishermen benefit from the reversing evolution of cod

Intense fishing and overexploitation have led to evolutionary changes in fish stocks like cod, reducing both their productivity and value on the market. These changes can be reversed by more sustainable and far-sighted fisheries ...

Better nitrogen management yields more than it costs

Better management on agricultural lands to reduce nitrogen losses to the environment costs only a fraction of what it provides. This could yield nearly $500 billion in societal benefits globally for both food supply and human ...

Adding a 'decoy option' may give extra boost to crowdfunding

Imagine walking into an ice cream shop and scanning your options. A sugar cone with one scoop is $3. A second scoop comes out to $4, but for just 50 cents more, you can get a large waffle cone with three scoops. Some people ...

Weather extremes to change future farming

The agricultural sector will increasingly need to adopt new technologies and entrepreneurial flair, along with more flexible land use, to provide secondary income and to combat weather extremes such as floods and drought, ...

Mapping carbon reserves to fight climate change

Carbon storage capacity in forests across the globe is only at 88% of its potential, according to a study published in Proceedings of the National Academy of Sciences (PNAS), which sets out to help prioritize locations for ...

Six areas where action must focus to rescue this planet

For some time, the Earth's natural resources have been depleted faster than they can be replaced. The Intergovernmental Panel on Climate Change has set a 2030 deadline to reduce heat-trapping emissions by half to avoid climate ...

Saving America's forests could help curb climate warming

America has more than 800 million acres of forest and woods, and most of that land is privately owned. A new study finds that economic incentives for landowners to keep their land in productive forests could be a valuable ...

page 2 from 6