Renewable energy sources Flashcards
What is one thing renewable energy sources do?
They quickly replenish themselves and can be used again and again.
Where is solar energy from?
Energy from sunlight is captured in solar panels and is converted into electricity.
What are some advantages of tidal energy?
- It is ideal for an island such as the UK.
- Tidal barrage can double as a bridge, and help prevent flooding.
What are some disadvantages of hydroelectric power?
- Costly to build.
- Dams have major ecological impacts on local hydrology.
Where is wood from?
Obtained from felling trees, burned to generate heat and light.
What do European Union Targets state by 2020?
That 20% of renewable energy must come from renewable sources.
What do the EU aim to reduce?
To reduce greenhouse gas emissions by 80-95% below 1990 levels by 2050.
What does energy demand in the UK vary because of?
- Economic factors
- Seasonal factors
- Temporal factors
What could be developed more?
Energy from wave and tidal power.
