Christina Nunez is a Washington, D.C.-based producer of energy content at National Geographic. Previously, she has been a producer, editor and writer at websites including AOL.com and NPR.org.

As Indian Prime Minister Narendra Modi met with U.S. President Barack Obama Tuesday, clean energy was on the agenda. A joint editorial from the leaders promised they would discuss ways to “expand affordable renewable energy” in India during the prime minister’s visit, his first official trip to the States. The word “affordable” is key everywhere,…

Comments Off on Chinese Adviser’s Carbon Cap Remarks: Promising But Overblown?

A top Chinese climate adviser signaled Tuesday that the country planned to set a new cap on carbon emissions by the end of the decade, which would be the first such effort from the world’s largest emitter of greenhouse gases. The comments by He Jiankun, chairman of China’s Advisory Committee on Climate Change, came a…

Comments Off on U.S. Efficiency Bill Dies Again in Congress

Wrangling in the U.S. Senate over unrelated amendments has derailed the bipartisan Shaheen-Portman energy bill for a second time. The stalemate left the bill’s supporters unable to gain the 60 votes needed to end debate over the bill and move to a final vote Monday. There seems to be little disagreement in Congress over the…

Forty-four years ago today, Denis Hayes convened the very first Earth Day, an event that drew millions to events across the United States and heralded a new global awareness of the need to preserve our natural resources. Hayes is now at the vanguard of an effort to rethink our buildings and, by extension, our growing…

Before the special ventilation system is installed, the solar water heaters added, and the insulated windows are fitted at a new set of super-efficient homes in Washington, D.C., the foundation must be laid and the wooden bones erected. Last month, several of us from National Geographic arrived to help do part of that work as…

Comments Off on Google’s Deal to Buy Nest: One Piece of a Larger Consumer Energy Puzzle

With the acquisition of thermostat-maker Nest Labs for $3.2 billion announced Monday, Google might finally be arriving at the right moment in a quest for home energy data that began about five years ago with the now-retired PowerMeter. Nest might be one of the few home energy start-ups that you recognize by name. Founded by…

The location of a wind farm can play a key role in the potential for wind energy to add or detract from stability on the electric grid, according to researchers at North Carolina State University and Johns Hopkins University. The paper, released this month,  notes that some wind farms, because of their location and the…

Comments Off on As Holiday Shipping ‘Peak Week’ Hits, Global Air Transport Continues to Rise

Waiting for a package? The holiday shipping countdown has begun: Online retailers are issuing regular reminders of how many days are left to order for delivery by Christmas, while shippers such as UPS and FedEx are scrambling to distribute record volumes of parcels from all of that e-commerce. Dubbing this “Peak Week,” UPS said it…

Two years ago, the band Linkin Park kicked off an initiative called Power the World with the goal of bringing clean energy to one million people. It started in partnership with the United Nations’ Sustainable Energy for All program, which aims to achieve universal energy access by 2030. (See related post: “Linkin Park’s Bid to…

Sometimes our dependency on battery-charging devices seems ironic, considering the abundance of energy around us that is being generated every day by sources as mundane as the human hand, footsteps, and lightning, which strikes the Earth dozens of times per second. (See related photos: “Immense, Elusive Energy in the Forces of Nature.”) A typical lightning…