Matt Bliss is about to make it rain Christmas trees in his Denver condo. No living trees will be harmed during this holiday storm. The dark-haired entrepreneur, hunched over his laptop at a makeshift ...

Kathy Kelada, Los Angeles-based author and life coach, says she still can’t believe she’s the owner of an artificial Christmas tree. But a few years ago, she found a 9-foot artificial noble fir tree ...

A group of scientists from the Hungarian University of Agriculture and Life Sciences designed a prototype of a solar photovoltaic tree that purportedly offers an optimal balance between energy ...

In the global effort to wean ourselves from fossil fuels, scientists have been looking towards algal biofuels as renewable sources of energy. Microalgae is capable of using sunlight and carbon dioxide ...