Why you haven’t seen these wind turbines around (yet)
8:33 | While we’ve grown accustomed to seeing solar panels on rooftops, what about wind turbines? Are they destined to be overshadowed by their bigger counterparts?
The Renewable Energy Revolution Happening in Ukraine
5:21 | Ukrainian energy executive Maxim Timchenko shares how his company has diversified Ukraine’s power structures to survive Russian attacks, highlighting the resilience of renewable energy.
Have we got enough minerals?
13:05 | Will batteries for hundreds of millions of future electric vehicles rob the planet of all its precious minerals? And what about all the minerals and materials for billions of wind turbines and solar panels?
How Wireless Energy From Space Could Power Everything
10:54 | Electrical engineer Ali Hajimiri explains the principles behind wireless energy transfer and shares his far-out vision for launching flexible solar panels into space in order to collect sunlight, convert it to electrical power and then beam it down to Earth.
This is what’s REALLY holding back wind and solar
11:57 | Building solar farms and wind parks is one thing. Plugging them into the grid is another. How does our power system need to change to cope with more renewables?
How solar energy got so cheap
6:30 | Since 2009, the price of solar energy has come down by 90 percent. That’s no accident. It’s the result of policy interventions from the US to Germany to China.
A Faster Way to Get to a Clean Energy Future
15:22 | Ramez Naam outlines the changes we need to make to get out of our own way and create a stronger, more reliable renewable energy grid.
Copper and the dark side of the energy transition
42:25 | The transition to green energy is crucial for the future health of the planet. But it requires vast amounts of copper.
Biogas er ikke grøn
1:05 | Grænsen for hvor meget biogas, der kan produceres bæredygtigt, er for længst nået.
Viden om biogas
20:32 | I denne video kan du få viden om, hvorfor det er forkert at give 43 milliarder kr. i støtte til biogas.
The Sun belongs to everyone
48:51 | Artist Marjan van Aubel argues for a ‘solar democracy’. The moment solar technology is linked to aesthetics and design, a whole new perspective emerges.
Aeromine Rooftop Wind. Static. Silent. 50% more power than Solar PV. What’s not to like?
9:27 | Rooftop wind power has been a goal for micro power generators around the world for many years now. There’s a new kid on the block that has no visible moving parts, makes no noise, and generates 50% more power than standard solar PV panels.
Batteries are dirty. Geothermal power can help.
8:00 | In Indonesia, where the majority of nickel for lithium-ion batteries is produced, the production process emits large amounts of carbon and pollution. It doesn’t have to be this way. Indonesia sits along the Ring of Fire, one of the most geologically active regions in the world.
Cool your home with zero electricity costs!
12:42 | Solar cooling sounds like a contradiction in terms, but it could become a household phrase in a sustainable future.
The Blind Spots of the Green Energy Transition
18:01 | The world needs clean power, but decarbonization calls for a massive increase in the mining and extraction of minerals like lithium, graphite and cobalt.
A global solar PV waste TSUNAMI is about to hit!
11:21 | Solar PV panels are multiplying at almost virus-like speed all over the planet. That’s a great thing for the transition to sustainable energy, but a massive potential problem for a catastrophically ill-prepared recycling industry.
DONG to Ørsted: The Oil Giant That Turned Green
7:35 | This is the incredible story of how a nationalised oil and gas company, from the tiny nation of Denmark, became a renewable electricity powerhouse in just seven years.
Perovskite solar cells. Major new breakthrough!
11:30 | Perovskite structures have the potential to revolutionise the solar PV industry, but they are notorious for breaking down very rapidly in real-world use. Now a research team from Princeton University has developed a process for overcoming that problem.
Biomass: How clean is energy from waste and plants really?
10:59 | Clean energy from re-growing resources and waste. Biomass sounds like a perfect alternative power source. Globally, at least 5% of energy come from biomass. But what does it mean if we use organic matter for fuel or electricity?
Lifetime carbon emissions of renewables vs fossil fuel. Problem or solution?
12:17 | How do lifetime emissions from manufacture, transport and disposal of renewables stack up against fossil fuels?
Why we should be putting solar panels on our fields and lakes
14:50 | On our way to an emissions-neutral future the use of solar energy is crucial. The problem: the space for photovoltaic systems is getting tight. We need land for food, for housing, to preserve biodiversity. So where to go with the solar cells?
Biofuel instead of coal and oil – How promising are these renewable resources?
42:25 | The biobased economy promises to help solve some of the world’s biggest problems, including climate change. But even these renewable resources require a production process, and that harbors new potential dangers.
Driving on Solar
47:26 | The solar car, an electric car with built-in solar panels, will be on the market in 2022. From 2030 onwards, no new cars may be sold in the Netherlands that run on petrol or diesel.
Massive global energy disruptions are coming. Brace yourself!
16:19 | 15 million jobs are set to be lost from the fossil fuel industry in the coming years, but more than three times that will be created in the renewable sector.
Why wave power isn’t everywhere (yet)
11:16 | The oceans, that cover most of the planet, are full of energy. So much, in fact, that if we could harness that of all the waves, we’d fulfill global demand three times over. There’s just one small problem.
The Solar PV panel that provides electricity AND heat for your home!
15:59 | Solar photovoltaic panels provide electricity for homes, businesses and utility scale grid providers. Ironically though, the hotter they get in direct sunshine, the less effective they are at producing power.
Years of Living Dangerously – EPISODE 201: A Race Against Time
50:07 | In the season opener, David Letterman travels to India. Back in the U.S., Cecily Strong travels to Florida and Nevada.
How Wind Energy Could Power Earth … 18 Times Over
10:57 | Denmark’s climate minister Dan Jørgensen lays out his plan to end the country’s oil industry by 2050 and transition to a fossil-free future powered by wind energy.
Algae – The super plant of the future
42:26 | Algae are perhaps the most adaptable and productive organisms on Earth. They’re an important food source, and their ability to provide oil could make them a replacement for fossil fuels.
Algae – natures answer to fossil fuels and plastics!!
15:59 | Algae has been used by humans for thousands of years, but the idea of using algae as a secret weapon to combat climate change is definitely a modern day concept.
Solar Wind and Wave. Can this ocean hybrid platform nail all three?
12:16 | Solar, wind and wave power from a single offshore platform?
Chibeze Ezekiel: A vision for sustainable energy in Africa
6:53 | Africa needs new energy sources to fuel its development, but the continent should invest in renewable energy instead of cheap, polluting alternatives like coal.
Solar PV efficiency – new breakthrough!
10:08 | A team in Cambridge has developed a film that can amplify the number of photons that a solar photovoltaic panel can use, with a potential increase in efficiency to as much as 35%.
Solomon Goldstein-Rose: How much clean electricity do we really need?
9:50 | Fossil fuel replacement isn’t enough, Solomon Goldstein-Rose explains in this compelling talk: we need to rapidly develop a new global system capable of producing 12 times the amount of clean electricity we generate today.
Powering the planet from space. Closer to reality than you think?
11:18 | Solar power stations in space. Sounds like pure science fiction doesn’t it?
The Explosion of Solar Power
6:47 | Solar power is one of the fastest growing energy sources during the last decade and the global production has gone up from 21 tWh in 2009 to 724 tWh in 2019.
Spherical Solar Cells – doubling the power output of flat PV panels!
11:11 | Solar panels are highly sensitive to what you might call ‘sub-optimal’ conditions… a research team reckon they’ve overcome those problems by creating a spherical version of the common solar PV panel.
Tidal energy could be huge – why isn’t it?
11:57 | It’s estimated that we could (practically) capture enough tidal energy to power all homes in the United States TWICE over – but we can only manage a tiny fraction of that right now.
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.
This Is The Most POWERFUL Tidal Generator In The World!
Seat At The Table, Episode 7: I’m heading to Scotland to see how workers rights can be protected as we transition to sustainable energy. Plus we take a look at clean energy in Africa and the most powerful tidal generator in the world.
Solar PV film roll. Revolutionary new production technology
13:38 | Solar PV panels are now a common site around the world and they do a great job. But they only work on flat surfaces. What about the millions of other surfaces that are not so conveniently shaped?
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.
Renewable Baseload Power from a single desert location. Enough for 7 million homes!
14:50 | One UK company have just announced a £16 billion project that will be generating 3.6GW of solar, wind and battery capacity in South Morocco.
Wooden wind turbines. Are they really a sustainable alternative?
10:35 | Wooden windmills are surely a relic from our pre industrial history aren’t they? Well, that was certainly true until recently.
Is offshore wind the energy of the future?
14:16 | With wind almost always blowing on sea, there is no lack of power. But the technology is struggling with a bunch of other hurdles.
Why the US isn’t ready for clean energy
6:50 | Making clean energy isn’t enough: We also have to move it.
Rethinking Climate Change. The path to a 90% emissions reduction by 2035.
18:55 | The climate emergency requires climate solutions. And fast! A new analysis suggests that 90% of the job could be achieved by just a handful of disruptive technologies that are very real indeed.
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.