Today’s passenger aircraft are becoming ever more efficient, driven by regulations like the EU’s emissions trading scheme and airlines looking to squeeze profit out of every drop of fuel saved. Yet on the ground, airports operate in a different class. New findings from a European Union-funded research project show that commercial airports use as much energy as a small city, and up to one-fifth of that may be wasted.

A solid majority, 71% of Americans, believe the country “should do whatever it takes to protect the environment,” according to a 2014 poll by the Pew Research Center.

This strong public interest in our environment extends to urban living, prompting NerdWallet’s curiosity: Even though we all know that the city we live in influences our transportation and energy choices, how do environmental

In the past few weeks, giant cranes have unloaded some 1,500 solar panels onto the Knesset's (the Israeli parliament) roofs. These panels were created especially for the Knesset's solar field, which is laid out over 4,650 square meters of the Knesset roofs and will have an installed capacity of 450 kilowatts. The solar array, which cost the Knesset NIS 2.4 million, will create some 10% of the Knesset's electricity, and together with additional energy-saving measures, it will

Israel’s largest landfill dump has undergone a massive makeover that has seen the mountain of garbage turn into a 2,000-acre ecological park three times the size of New York City’s Central Park. This new “green lung,” which includes a 150-acre recycling station, walking and cycling trails, ponds and extreme sports activities, will soon be home to a 50,000-seat amphitheater, one of the largest concert venues in Israel. And if that’s