The civil engineer who stopped a port from being built in TenerifeCarlos Mallo's activism began due to concerns over tourism's impact on Tenerife's ecosystems, leading him to found Innoceana.
Wild horse adoption program could eventually save $800 million, new report estimatesFederal adoption program for wild horses showing success in curbing population growth in the American West.
Use solar power, kill a tortoise? Climate change solution carries environmental costsSolar power is essential for climate change but must be strategically placed to avoid harm to ecosystems.