Parties on both right and left deemed most green by environmental group; religious parties, Yisrael Beytenu get the lowest marks

In an environmental 'wake-up call,' scientists say mankind’s impact on planet so huge that our creations weigh more than ‘living biomass,’ and plastic weighs more than all animals

Where many see the world going down the tubes, Hannah Alper sees opportunity to improve -- and wields considerable clout after starting her blogging career at the ripe old age of 9

Study after study published in recent months has underscored rapid pace of global warming and need to cut emissions as soon as possible

International demonstrations see activists demand their governments take steps to tackle threat of global warming

British band wins plaudits for decision not to hold concerts overseas until it can find a more 'sustainable' way to do so

The four were previously charged with spreading 'corruption on earth,' which can lead to capital punishment; head of environment dept. calls for information on activists' fate

Harvard-educated Mark Plotkin does a literal take on tikkun olam by fighting deforestation and working to preserve untouched societies in the heart of the Amazon rainforest

Local residents say facility would unduly damage the environment, when it could be constructed in a nearby industrial zone instead

Spiritual leader was involved in progressive causes, including J Street, and frequently lectured about religious perspective on environmentalism, bioethics and modern science