Solar power has continued to advance in technology over the past decade. It has become more energy efficient and is more cost effective than ever before. The table’s are turning and solar is becoming an extremely viable option. Get the facts on Solar:
Biofuels are combustible fuels created from biomass.
“Firewood is the oldest bio-fuel mankind has used, now we have biogas, gasohol and many more. Carbon dioxide is produced when these burn, but as long as the trees and plants are allowed to re-grow, burning them simply helps carbon on its way round its natural cycle.
What is biogas? If we collect the faeces from humans and farm animals and place them in a ‘digester’ we can mimic what happens in a cow’s intestine, and we get biogas. There are many such digesters in use all round the world, where the gas is used for cooking and lighting and the remains are a rich fertiliser. Biogas digesters are used in most sewage works where the methane is burnt to generate electricity.
Summary from “THERE IS NO SUCH THING AS GREEN PRODUCT” by R. GEYER AND T. ZINK on Stanford Social Innovation review
Read the full article here
“Let’s first take a closer look at the current thinking about green products. Most managers realize that virtually all products and services have environmental impacts, just as they have economic costs. In other words, practically all products and services require the extraction of natural resources and cause the release of wastes and emissions, and both these activities are almost certain to affect the natural environment adversely. The environmental benefits of green products are not that they somehow fix the environment or have zero impact, but rather that their environmental impacts are less than those of similar products.
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COWSPIRACY: The Sustainability Secret is a groundbreaking feature-length environmental documentary following an intrepid filmmaker as he uncovers the most destructive industry facing the planet today, and investigates why the world’s leading environmental organizations are too afraid to talk about it.