Scientists find a new way to produce metals, which can reduce energy use and...
Traditionally, metals are produced via heat. In a high temperature, metals like silver, iron, copper, and other base metals are produced from their ores.
Metal...
Wind energy costs may decrease by 40% in 2030, say wind energy experts
Renewable energy, such as solar and wind energy, has become more and more important in the global energy supply. However, its long-term contribution depends on...
Are householders happy to pay for someone else’s solar system?
Many governments world-wide have established financial incentives to promote the take-up of residential solar (photovoltaic) energy systems. These incentive programs have seen increased numbers...
Shared solar: the next big thing in renewable energy
Solar energy in the US has increased fast in the last 10 years. In 2014, the annual installed capacity reached 6,201 MW, more than...
Uranium in sea water: a renewable for nuclear energy
Uranium is a very heavy metal formed in supernovas (i.e. exploding stars) about 6.6 billion years ago.
It is not common in the solar system,...
Capturing ocean energy with a floating energy harvester
Ocean energy is an important type of renewable energy. It can be carried by ocean waves, tides, salinity, and ocean temperature differences.
Compared with solar...
Food waste: a new source of electricity
When hearing the phrase “renewable energy”, most of us will think about wind, solar, wave, or geothermal power.
In fact, treating food waste can also...
Scientists develop a high-capacity and sustainable zinc battery for energy storage
As solar power and wind power become more important in the world electricity supply, people look for reliable and cheap ways to store energy.
Recently,...
Flying kites can help farmers get clean energy
The global energy demand is increasing due to the expansion of world economics and population growth.
Renewable energy, such as wind power and solar power,...
Biotech: a new way to the sustainable energy supply
Nowadays, biofuels have become more and more important in the world energy field.
In 2012 biofuels accounted for about 1.6% of global transportation fuel, and...