Tuesday, 7 February, 2012

The green revolution fed billions, but population keeps rising, water is short and the climate is changing. How will Africans feed themselves despite poor soil and widespread poverty? Could small projects that fit the environment and culture make farmers an engine of prosperity and a big source of food?

It depends on the kind of lifestyle those people enjoy, says Lisa Naughton, a UW-Madison professor of geography and environmental studies. The late 18th century English economist Thomas Malthus – one of the first to express concern about overpopulation – observed that there should be no more people in a country than can “daily enjoy [...]

A new year is a chance to bring sanity to our medical, scientific and environmental disasters. Here’s our wish-list for a better New Year!

As Congress, president debate changes to immigration laws, we wonder if immigration-fueled population growth is an environmental issue. Should United States reduce immigration?

Water shortages loom as world population and economy soar. American Southwest, Egypt, Iraq, China. People are getting thirsty pretty much around the world. How does this matter?

World population has reached 6 billion. What does this mean for the environment, resources, humanity? Six billion people on Earth — is that a good thing?

Shrinking resources on Earth: Want to try living without fish or chocolate?