The 121MW Negev Energy gleaming plant produces heat from the desert sun to create electricity; pity the price is as much as six times that of photovoltaic technology

Nature Defense Force, launched five years ago, maps important nesting sites in firing-range areas to protect trees from brush fires

1,800-page assessment shows accelerating loss of clean air, drinkable water, CO2-absorbing forests, pollinating insects, protein-rich fish and storm-blocking mangroves