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Winter 2011: October-February

Volume 11, Number 4

Features

Bringing the Green Back
Central Americans working abroad and sending money home are not only fueling their native economies—they’re also helping to bring the trees back.
By John Carey

Cementing the Future
An entrepreneurial marine geologist from Stanford believes that by mimicking the way marine organisms create shells, he can transform concrete manufacturing from one of the most carbon-intensive processes on Earth to one that is carbon-negative.
By Eli Kintisch

Confronting Corruption
When a fast-talking Israeli journalist became both father and sole enforcer of Cameroon’s wildlife-trafficking laws, he lifted the veil from the taboo subject of corruption in conservation.
By Tom Clynes

Solutions

Exit Strategies
In the funeral business, it’s never too late to go green
Powerful Pee
Researchers want to generate hydrogen fuel from urine
Taking Solar to the Streets
Solar panels could replace asphalt and create electric superhighways
Coral Cryogenics
Scientists are freezing coral cells in hopes of seeding future reefs in more hospitable oceans
Swimming into the Wind
Wind turbines that mimic schooling fish maximize power generation
Raining Lethal Mice
Officials bomb Guam with drug-filled mice to kill invasive snakes