KlimaTV – Vedvarende energi
Our Last, Best Chance to Cool the Earth
11:04 | Environmentalist Bill McKibben says one thing is finally going right: the price of clean energy has plunged, making it cheaper than ever to power the world without burning fossil fuels.
How this unexpected country became the best at solar
11:52 | With 25% of solar in the energy mix Hungary is one of the world leaders in solar energy generation worldwide. But where does this spike in solar come from in a country not known for its sustainability?
Are Biofuels WORSE Than Fossil Fuels?
17:56 | Biofuels. Are they really a climate solution? Or are they quietly entrenching fossil fuel infrastructure for decades to come?
How to Power the World 24/7 — Without Oil
9:34 | Deep beneath the Earth sits 50,000 times more energy than all the world’s fossil fuel reserves, but accessing it requires using the same controversial technology that oil companies spent trillions to develop: fracking.
How this small German village got dirt-cheap energy prices
10:40 | Germany’s Feldheim went from an agricultural village to a clean energy role model — with its own renewable electricity grid and heating network. Here’s how it brought locals on board.
Why aren’t all deserts covered in solar panels?
11:35 | The key question is not whether solar PV changes landscapes. They do. It’s how intelligently we design those systems to benefit local biodiversity as we scale up clean energy.
How to make hydro smaller (and better)
10:38 | A new generation of small-scale hydro is promising no-emissions energy, without the large-scale impact. We take a look at three contenders: the vortex power plant, the hydrokinetic turbine, and osmotic power.
Solar’s hidden problem (and how to solve it)
10:10 | Solar is booming worldwide, slashing costs and driving the clean energy transition. But this rapid growth comes with its cost: grids in countries like Spain, Australia and Greece have buckled under the pressure.
Inside India’s Astonishing Solar Revolution
9:05 | In 2014, the world’s second largest coal consumer made a bold promise: to increase its solar capacity from three gigawatts to 100 gigawatts in just eight years.
Can Latin America win the race to 100% renewables?
12:38 | Down in South America there is a quiet revolution going on in renewable power which could see that continent decarbonise far sooner than its northern neighbour.
Most Countries Fail at Clean Energy. Here’s How Mine Succeeded
11:32 | Energy expert Sebastián Kind helped Argentina go from virtually no renewable energy to generating nearly 40 percent of its electricity from wind and solar in just six years.
The Powerful Promise of Earth’s Harshest Places
13:43 | Sharing the story behind one of the world’s largest green hydrogen projects, Lei Zhang shows how Earth’s harshest landscapes could unlock more energy reserves than the world consumes today.
How SOLAR PARKS are fixing up abandoned COAL MINES
13:08 | Communities all over the world have been badly affected by the closure of coal mines in recent years. But their proximity to grid connections and infrastructure make them ideal sites for new solar projects.
Does ‘Levelized Cost of Energy’ (LCOE) give us the right numbers?
11:16 | There’s a big schism among energy system analysts right now.
Old wind turbines are piling up. Here’s how to revive them.
15:04 | Tens of thousands of old wind turbines are set to retire globally every year – and many of them are bound to get scrapped. But some companies are trying to save them.
We’re building solar in the wrong places. But we can fix that.
11:20 | Solar power capacity has tripled globally in the last five years – and there’s more to come.
New Report – Rooftop Solar PV is THE biggest climate mitigation technology!
11:25 | Now a new report has crunched some numbers and calculated the climate mitigation potential of all those unused roofs around the world.
The race to build the perfect wind turbine
11:16 | Wind has been outpaced by solar as the frontrunner of renewable energy. But according to some studies, recent innovations could unlock up to 80% more wind energy potential in the US alone.
Solar panels above waterways and farms. WIN-WIN!
13:59 | Agrivoltaics and Solar Canals have been around for a while now, but they haven’t exactly ‘gone viral’ have they?
Renewable Energy Domination
14:51 | No wonder the fossil fuel industry is trying every trick in it’s playbook to try to hoodwink the public and slow progress. But seriously guys…give it up. It’s over already!
Solar Power can now be generated at NIGHT! It’s really TRUE!
10:59 | So, can we look forward to 24-7 solar power?
Solar PV with more than 40% efficiency is now achievable
11:40 | Perovskite and silicon appear to be the dream combo for improved efficiency in solar PV technology, with the potential to more than double the performance of anything you may have on your roof today.
How can ships become cleaner?
25:56 | Soot, particle pollution and heavy fuel oil: freighters and cruise liners are real climate killers. The film shows how both innovations and tried-and-tested ideas can make shipping cleaner.
The race to solve solar energy’s recycling problem
16:16 | Right now, millions of old solar panels are headed for landfills. But companies are still chasing the tech that makes it viable to reuse the recovered materials in new solar panels.
FINALLY! Fully recyclable wind turbine blades!
11:34 | A team at the US NREL claims to have used plant-based biomass to create turbine blades that can be completely broke down at the end of their operational lifetime and refabricated into new products.
The Rise of Floating Offshore Wind Technology
16:08 | Forget everything you thought you knew about wind farms. We’re about to dive deep into the world of floating offshore wind, where turbines dance on the waves and clean energy knows no bounds.
New report: Biomass CO2 emissions 4X higher than COAL!!
12:10 | Biomass is touted as a sustainable, ‘net-zero’ alternative to fossil fuels. But environmental groups and scientists have disputed this claim for many years.
How we can make solar power at night
12:26 | Concentrated solar power can store the sun’s heat for a long time and turn it into electricity when needed – for example at night, when normal solar panels lie idle. Is it set for a comeback?
100% wind and solar is coming!
17:30 | 100% electrification from renewables, backed up with interconnections and energy storage is now just around the corner. But there are still bumps in the road. Can we overcome them in time?
Perovskite Solar PV. FINALLY some good news!
13:19 | Perovskite is not a material most of us will have come across in normal daily life, but it has the potential to take solar photovoltaics to levels of efficiency that were previously thought to be impossible.
Are perovskite cells a game-changer for solar energy?
11:10 | Imagine creating solar panels without relying on materials in short supply and adopting an eco-friendlier production process. And at the same time boosting efficiency? Enter perovskite tandem solar cells.
Biochar: How burning stubble could FIGHT air pollution
12:11 | Biochar is supposed to suck carbon out of the air, reduce air pollution and even generate energy. But does it live up to the hype?
Global renewables: Pioneering the energy transition
42:25 | To stop climate change, the energy system must be transformed worldwide. Very little time remains to accomplish this. But there are places where this renewable future has already arrived.
How to Harness Abundant, Clean Energy for 10 Billion People
13:06 | We can produce abundant, sustainable and cheap energy — for everyone, says physicist Julio Friedmann.
Will renewables stop the climate crisis?
42:25 | Part 1 of this two-part documentary looks at the question of whether it’s even possible to provide enough green energy for the whole world.
Global Energy Transition. Are we winning?
13:42 | The Global Energy Transition is the most profound change to human civilisation since the end of the last glacial period about 11,000 years ago.
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.