KlimaTV – Vedvarende energi

How green is solar energy really?

How green is solar energy really?

9:02 | More and more solar panels are popping up all over the world – and it’s easy to see why: They provide clean energy at falling prices. But there are also some not-so-green sides to this technology.

The untapped energy source that could power the planet

The untapped energy source that could power the planet

15:10 | Deep beneath your feet is a molten ball of energy the same temperature as the surface of the sun — an immense clean energy source that could power the world thousands of times over, says Jamie C. Beard.

Is wind power the future of freight shipping?

Is wind power the future of freight shipping?

The global freight shipping industry accounts for nearly 3% of all GHG emissions, so freight operators are on a quest to reach net zero by 2050. Here’s three of the most promising wind power options that could help them get there.

Why Oil Country is Turning to Wind Power

Why Oil Country is Turning to Wind Power

9:29 | If Texas were a country it would be fifth in the world for wind energy generation. Take a trip through wind country with host Joe Hanson as he looks into why oil country is turning into wind country.

How FIVE BILLION Pounds of Las Vegas Garbage Powers a City

How FIVE BILLION Pounds of Las Vegas Garbage Powers a City

9:14 | Most of the 600 billion pounds of waste that Americans produce every year ends up in landfills. All that trash can have huge impacts on the environment. But modern landfills have found a new use for all that trash — they’re turning it into energy.

Micro Hydropower : Turbulent Turbines

Micro Hydropower : Turbulent Turbines

14:02 | A new micro-hydropower technology is working with the natural flow of water and wildlife rather than against it, to bring much needed constant baseload power to off grid areas in remote areas of developing nations.

One Sun One World One Grid

One Sun One World One Grid

25:54 | India and China will most likely be key to the success or failure of our transition to a sustainable future. They’re now jostling for geopolitical power too.

Biomass. Is it killing our forests?

Biomass. Is it killing our forests?

11:11 | Biomass is held up by governments around the world as a net-zero carbon alternative to fossil fuels. Just like most aspects of climate change mitigation though, the reality is far more complicated than that.

Crazy Green Slime Biofuel / Solar-powered Car

Crazy Green Slime Biofuel / Solar-powered Car

49:55 | This episode looks at a biofuel crop that grows on Indian wasteland rich in oil. Meanwhile a Singaporean company is installing systems in which the hot exhausts from air-con systems are used to heat water…

Vindmøller, solceller, vandkraft, biomasse, geotermisk energi. Energien kommer enten fra Solen eller Jordens indre og den findes i rigelige mængder i de næste 5 milliarder år. Udfordringen er at opsamle og oplagre denne energi.