The world depends way too much on coal as our main source of energy, but the spot for second-largest energy source is up for grabs - and renewable energy is set to take over the second spot very soon.
The federal government has been talking about green energy and energy efficiency for years, but in the past few years, it has taken real steps to show just how serious it is about the environment.
New high-performance buildings – and old buildings upgraded with energy-efficient systems – are proving that they can get to net zero energy in just one year. Here's how...
Last year, Environmental Entrepreneurs released a report showing the positive impacts of clean energy on job growth in the US economy. In the second quarter alone, 70 companies announced clean energy job projects, which created almost 38,000 new jobs.