Could the added efficiency of perovskite solar cells make solar power usable for more people around the world, even in less-than-sunny locales?
About Sam Heller
Posts by Sam Heller:
In the early 1960s, the average person consumed just under 20 pounds of fish per year. Today, that number has risen to over 40 pounds per year.
Which Eco-Labels Are Trustworthy? ENERGY STAR, Certified Organic, LEED, FSC-Certified, Salmon-Safe, Fair Trade, GreenSeal, WaterSense & Rainforest Alliance Among Winners
Which eco-labels are trustworthy? With countless products now available labelled as “eco-friendly” it’s hard to know which are actually good for the planet.
Though approximately 30% of the world’s land area is still covered by forest, much of it will disappear if the current rates of deforestation continue.
Costa Rica has become a model nation in terms of its environmental stewardship and sustainability.
Receipts are often coated with BPA (bisphenol A) and BPS (bisphenol S), chemicals proven to be endocrine disruptors which can lead to human health problems.