triple bottom line is a framework for evaluating the performance of a business or organization based on three interconnected dimensions
Transition towns
Transition towns, are local communities that work to increase sustainability and resilience by initiating projects and actions aimed at reducing their environmental impact and reliance on non-renewable resources.
Turbine
Turbine: A device with blades that can be turned by a force such as wind, water, or high pressure steam. The energy of a spinning turbine is converted into electricity by a generator.
Tropics
Tropics: The parts of the Earth near the Equator, which are very warm all year long because they receive a lot of direct sunlight.
Tides
Tides: A variation in the surface level of the oceans caused by the gravitational pull of the moon and sun. Tides fluctuate between high and low twice a day.
Tidal power
Tidal power: A form of renewable energy generated from the natural rise and fall of the ocean.
Thermal expansion
Thermal expansion: The increase in volume of a material as it gets warmer. For example, water expands as it is heated, causing each drop of water to increase in size. In the ocean, thermal expansion is one cause of rising sea level.