- "Renewable resources include sunlight, wind, the movement of water, and geothermal heat."
This includes the study of renewable energy sources such as wind, solar, geothermal, and hydroelectric power, and developing innovative technologies to harness them.
Solar Energy: The use of photovoltaic cells to convert sunlight into electrical energy.
Wind Energy: The use of wind turbines to generate electricity from wind power.
Hydro Energy: The use of water to generate electrical energy through hydroelectric dams.
Geothermal Energy: The use of heat generated by the Earth's core to generate electrical energy.
Biomass Energy: The use of organic materials such as wood, crops, and agricultural waste to generate electricity.
Tidal Energy: The use of tides to generate electrical energy through tidal power stations.
Off-grid systems: Systems that generate and store energy independently of the traditional electrical grid.
Grid-tied systems: Systems that generate energy to be used on-site and excess energy is fed into the electrical grid.
Energy storage: The use of batteries and other technologies to store excess energy generated by renewable energy systems.
Smart grid: A system that uses digital technology to manage and distribute electricity more efficiently, including renewable energy sources.
Net metering: A billing arrangement where excess energy generated by renewable energy systems is credited on a customer's utility bill.
Renewable portfolio standards: A government policy that requires a percentage of electricity generated to come from renewable sources.
- "Although most renewable energy sources are sustainable, some are not."
- "Renewable energy is often used for electricity generation, heating and cooling."
- "Renewable energy projects are typically large-scale, but they are also suited to rural and remote areas and developing countries."
- "From 2011 to 2021, renewable energy grew from 20% to 28% of global electricity supply."
- "Use of fossil energy shrank from 68% to 62%, and nuclear from 12% to 10%."
- "Power from sun and wind increased from 2% to 10%."
- "The share of hydropower decreased from 16% to 15%."
- "There are 3,146 gigawatts installed in 135 countries."
- "156 countries have laws regulating the renewable energy sector."
- "In 2021, China accounted for almost half of the global increase in renewable electricity."
- "Globally there are over 10 million jobs associated with the renewable energy industries."
- "Solar photovoltaics being the largest renewable employer."
- "Renewable energy systems are rapidly becoming more efficient and cheaper."
- "A large majority of worldwide newly installed electricity capacity being renewable."
- "Many nations around the world already have renewable energy contributing more than 20% of their total energy supply."
- "Some studies have shown that a global transition to 100% renewable energy across all sectors – power, heat, transport, and industry – is feasible and economically viable."
- "Deployment of renewable energy and energy efficiency technologies is resulting in significant energy security, climate change mitigation, and economic benefits."
- "Renewables are being hindered by hundreds of billions of dollars of fossil fuel subsidies."
- "In international public opinion surveys, there is strong support for renewables such as solar power and wind power."