Avainsana: renewable energy
-
Renewable energy does not thermodynamically warm the climate – wind and solar power do not add energy to the global heat budget
Good news: renewable energy does not warm the climate, because its impact is negligible in the global heat budget. The only way it could warm is through the carbon emissions from its construction, but also that is negligible. An otherwise wise professor once made a mistake when he thought that all energy production, including renewable…
-
The victory of renewable energy
I have written a lot about wind and solar power before. The only right solution for the future of the Earth, regarding the energy system, is to switch completely to cyclical renewable energy sources and smart electricity grids. Here is a link to my opinion piece published in Helsingin Sanomat: Reader’s opinion | Wind power…
-
A carbon-free future is possible in the coming decades – even in China, emissions have decreased
There is good news from China that raises great hope: for the first time, China’s CO2-equivalent emissions have stopped and decreased; China’s greenhouse gas emissions in 2024 were 1.6% lower than the previous year for the first time, even though energy consumption in the country grew by 2.5%. China’s emissions account for about a third…
-
Endless energy, eternal cycle and Kardashev’s dream
Humanity is here to stay. When thinking about sustainable development, we cannot observe on a time scale of tens or hundreds of years, but rather we are talking about millions and hundreds of millions of years. Our energy system, the recycling of materials and the green transition must be such that they last for hundreds…
-
Technology is not evil – technology can serve both good and evil, wisdom must guide humanity
Technology is man’s means of controlling nature and natural forces: it is a system, machines and methods created by man to control the energy, natural resources and other resources of the environment. It includes knowledge as well as physical infrastructure and machines. Technology can serve either good or evil. There are usually always some disadvantages…
-
A green and living eco-city – what will the ecological cities of the 2030s look like?
What will the ecological cities of the future look like? An ecological city is as diverse as possible, green and takes lessons and models from nature. An ecological city is based entirely on renewable energy and the use of electricity in transport. A city is an ecosystem, and when it functions as much as possible…
-
Wind power in a strong tailwind and the sunrise of solar power – a sustainable energy system is not just imagination
Two renewable energy sources are clearly above the others: solar power and wind power. They are the cleanest and cheapest ways to generate electricity. They are up to 10x cheaper than nuclear power and much cheaper than fossil fuels. Weather-based electricity is an endless and completely circular circular economy. Fossil and nuclear power are linear…
-
The hydrogen revolution
On May 6, 1937, the hydrogen-filled airship Hindenburg, which set off from Frankfurt Am Main in Nazi Germany, is landing at Lakehurst Airport in New Jersey. There is a feeling of thunder and drizzle in the air. At 19:25, the stern of the ship suddenly catches fire and soon the flames engulf the entire ship…
-
After the energy revolution – a peek into the world and energy system of the 2040s
As I have stated several times: the future of energy production globally is in non-combustion-based clean renewable energy, especially wind and solar power. They are the cheapest, most logical, most profitable, easiest and cleanest ways to generate electricity. Wind power and solar power are available all over the world and can be stored as energy…
-
Climate change today and the path from extreme disaster to sustainable balance
It finally came to this because of humanity’s greed: A couple of friends in India said that there has been no monsoon for three years and half of the palm leaves have turned yellow and died. A friend in Italy says that local people don’t go out there at all because of the scorching heat.…
-
Science, economy, consumption and environmental degredation
The development of natural science is the basis for new innovations and the development of technology. The development of technology is basis for economical growth, energy consumption and population growth. The biggest single factor in economical growth is the development of techonology. All of these, economical growth, energy cosumption, population growth and the development of…
-
Nuclear energy is not green
I want to tell you the filthy truth about nuclear energy. It is totally bad, unsustainable and unethical and it is not any solution to climate crisis as some people try to tell. Nuclear energy has a share of 2,5% of global energy production and it is not possible to increase that because there are…
Ecoblogi - A Blog by Daniel Elkama 