- "Renewable resources include sunlight, wind, the movement of water, and geothermal heat."
Energy sources that are naturally replenished, such as solar, wind, and hydro power, and produce lower levels of greenhouse gas emissions than fossil fuels.
Solar Energy: This is the energy generated by the sun, which can be harnessed and turned into electricity to power homes and businesses.
Wind Energy: This is the energy generated by the movement of the wind, which can be harnessed and turned into electricity to power homes and businesses.
Hydropower: This is the energy generated by the movement of water, which can be harnessed and turned into electricity to power homes and businesses.
Geothermal Energy: This is the energy generated by the Earth's internal heat, which can be harnessed and used to power homes and businesses.
Biomass Energy: This is the energy generated by burning organic matter, such as wood or agricultural waste, which can be harnessed and used to power homes and businesses.
Energy Efficiency: This involves using less energy to achieve the same outcome, through measures such as better insulation, efficient appliances, and smart energy management systems.
Carbon Capture and Storage: This involves capturing carbon dioxide emissions from power plants and other sources and storing them underground, to prevent them from contributing to global warming.
Renewable Energy Policy: This involves government policies and regulations aimed at promoting the development and deployment of renewable energy technologies.
Climate Change Impacts: This involves the scientific understanding of the impacts of climate change, including rising sea levels, more extreme weather events, and changes in ecosystems.
Adaptation to Climate Change: This involves strategies to help societies and ecosystems adapt to the impacts of climate change, such as building sea walls or switching to drought-resistant crops.
International Climate Agreements: This involves global agreements aimed at reducing greenhouse gas emissions and addressing climate change, such as the Paris Agreement.
Green Jobs and Economic Development: This involves the economic opportunities that can arise from developing renewable energy technologies and transitioning to a low-carbon economy.
Public Perception and Attitudes: This involves understanding how the general public perceives renewable energy and climate change, and strategies for communicating effectively about these issues.
Energy Storage: This involves methods for storing renewable energy, such as batteries or pumped hydro storage, to ensure a stable and reliable energy supply.
Smart Grids and Integration: This involves systems for managing and integrating renewable energy into the electrical grid, to ensure a reliable and cost-effective energy supply.
Solar Energy: The energy radiated by the sun can be harnessed and converted to electricity or heat. Solar panels or photovoltaic cells capture the energy from the sun and convert it into usable electricity.
Wind Energy: Wind turbines can be used to convert wind energy into electricity. Wind turbines are designed with large blades that spin when the wind blows, and this rotation generates electricity.
Hydro Energy: The energy created by moving water can be harnessed and converted into electricity through hydro turbines. Hydro power plants typically use dams to create energy from the water movement.
Geothermal Energy: This type of energy comes from within the earth and is the result of the planet's internal heat. It can be used to heat homes or generate electricity through geothermal power plants.
Biomass Energy: This type of energy is created by burning organic matter like wood, crop waste, or even animal dung. Biomass can be used to generate electricity, heat homes, or fuel vehicles.
Tidal Energy: Tidal energy is generated by capturing the energy from the tides as they ebb and flow. This energy can be used to generate electricity through tidal power plants.
Wave Energy: Ocean waves can be converted into electricity through the use of wave power devices. These devices capture the energy from the motion of the waves and convert it into usable electricity.
Hydrogen Fuel Cells: Hydrogen fuel cells use hydrogen as fuel and convert it into electricity, with the only byproduct being water vapor.
Genetically Engineered Organisms: These organisms have been redesigned to convert sunlight into energy more efficiently, which could be used to power our homes and businesses.
Algae Fuel: Algae can be harvested and processed to create fuel, which can replace traditional gasoline or diesel.
Ocean thermal energy conversion (OTEC): This technology uses temperature differences between warm surface waters and cold deep waters to produce electricity.
Concentrated Solar Power (CSP): This technology uses mirrors or lenses to concentrate sunlight onto a receiver. The receiver then captures the sunlight and converts it into electricity.
Waste-to-energy: This technology uses waste materials like garbage to produce energy. The waste is burned, and the heat is used to create electricity.
Enhanced geothermal systems: This technology involves drilling deep into the earth to pump water through heated rock formations. The water is turned to steam, which powers a turbine to generate electricity.
Solar thermal energy: This technology uses the sun's rays to heat a fluid. The heated fluid then produces steam, which powers a turbine to create electricity.
Piezoelectricity: This technology involves converting vibration into electricity. It can be used to harness energy from wind, waves, and even footsteps.
Municipal Solid Waste (MSW): This technology involves burning trash and using the heat to generate electricity.
Landfill Gas-to-Energy: This technology involves capturing methane gas emitted by landfills and using it to power turbines, which generate electricity.
Biofuels: Biofuels are fuels made from renewable organic matter like plants and algae. They can replace traditional fossil fuels and reduce greenhouse gas emissions.
Small hydropower: This technology involves using smaller turbines to generate electricity from smaller water sources like streams and rivers.
- "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."