Ask Umbra: Is banning clotheslines legal?

A reader wonders if neighborhoods can legally hang clothesline users out to dry. Umbra pins down the answer.


Remember when Americans used to care about population? [VIDEO]

These days, when people go out of their way to avoid mention of the P word, it's almost hard to believe that population used to be a mainstream issue.

California will ban BPA from baby cups

California Gov. Jerry Brown signed into law a bill that bans bisphenol A from baby bottles and sippy cups sold in the state, starting in July of 2013. The Environmental Working Group had been pushing the law, …


An indigenous take on family planning and population

A Mayan leader in Guatemala finds hope for the survival of his people in a combination of traditional and modern solutions -- including family planning.

Climate Change

Fighting climate change in the Navajo Nation

A physician-turned-street-artist takes an urban art form to a landscape where most of the walls are eons-old stone.


We can feed 10 billion of us, study finds — but it won’t be easy

A new study in Nature says the world can feed itself without ruining the planet -- if we make major adjustments now to how we farm and eat.


7 billion? It’s time to talk

People go out of their way to avoid talking about population, just as they do with sex, politics, and religion. But it’s time to get over the squeamishness.


Population facts and figures at your fingertips

The number of people in the world is expected to reach 7 billion by the end of October 2011. Our rate of increase continues to slow from the high point of over 2 percent in …

Green Home

Experiment in (e)co-habitation gets the green light

It looks like a hippie commune. It smells like a hippie commune. But the Belfast Cohousing & Ecovillage is not a hippie commune!