Deforestation is the loss or removal of a forest or clumps of trees on a very large scale and converting the resulting land for non-forest uses. Deforestation is becoming a global problem with extensive environmental and economic consequences.
Hydrogen fuel cells are cells that contain hydrogen as the fuel. Hydrogen fuel is a zero emission fuel that releases energy during combustion or through electrochemical reactions. Fuel cells and batteries produce an electric current through a chemical reaction, but a fuel cell will produce energy as long as there is fuel, thus never losing its charge.
This article discusses a new technological advancement for chemical-free wastewater treatment.
By Kalwinder Kaur
13 Aug 2013
Air source heat pumps are heating and cooling systems that use air from outside as a heat source.
By Kris Walker
14 May 2013
Farmers from ancient cultures such as Greece, China and Rome shared a common understanding with regards to crop rotations.
By Kris Walker
20 Feb 2013
Anaerobic digestion (AD) is the process by which organic materials in an enclosed vessel are decomposed by micro-organisms.
By Kris Walker
28 Jan 2013
Hydrogen is the simplest element consisting of one proton and an electron. It is the most abundant element in the universe, but is does not occur naturally as a gas in the Earth.
By Kris Walker
24 Jan 2013
Biofuel is derived from biological materials like solid biomass, liquid fuels, and biogases. Biofuels are of two types, namely, biodiesel and bioethanol.
A solar panel is composed of a package of photovoltaic cells. It can be used in a larger photovoltaic system for generating and supplying electric energy for residents and other commercial applications.
By Kris Walker
8 Jan 2013
Gifts are an integral part of any celebration and they are often wrapped in colorful wrapping papers, which are then discarded and thus become a major part of waste during the holiday season.
By Kris Walker
20 Dec 2012