“Irrigation has been used for thousands of years to increase agricultural production and provide protection against drought. Agriculture provides us with many goods, but it also takes away from us. Agriculture is the single largest food provider and also the largest user of global water resources.”
Scroll down to learn how much water is needed to produce food and feed animals as well as how much of that is wasted and what are the challenges in the future of agriculture and farming.
We all have great ambitions to do the greatest impact on the environment we can. Sometimes doing the little things, very well can make a huge difference, when you multiply them across an entire population. Can’t afford that solar array you’ve been dreaming about? Start Shopping local. Keep your water off while brushing your teeth. Here is a simple plumbing fix you should consider: Finally fixing that annoying leaky faucet. Watch this simple “How To” video courtesy of our friends at Mendel Plumbing.
Terra Blight traces the life cycle of computers from creation to disposal and juxtaposes the disparate worlds that have computers as their center. From a 13-year-old Ghanaian who smashes obsolete monitors to salvage copper to a 3,000-person video game party in Texas, Terra Blight examines the unseen realities of one of the most ubiquitous toxic wastes on our planet.
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.