The Perils of Wind & Wave Energy
Build enough wind farms to replace fossil fuels and we could seriously deplete the energy available in the atmosphere, with consequences as dire as severe climate change.
Wind and wave energy are not strictly renewable sources of energy, says Axel Kleidon of the Max Planck Institute for Biogeochemistry in Jena, Germany. "Efforts to satisfy a large proportion of our energy needs from the wind and waves will sap a significant proportion of the usable energy available from the sun. In effect, he says, we will be depleting green energy sources. His logic rests on the laws of thermodynamics, which point inescapably to the fact that only a fraction of the solar energy reaching Earth can be exploited to generate energy we can use."
New research offers a tip for politicians who don’t want to be seen as corrupt: don’t get a big head.
These five main food groups are important for your brain's health and likely to boost the production of feel-good chemicals.
We all know eating “healthy” food is good for our physical health and can decrease our risk of developing diabetes, cancer, obesity and heart disease. What is not as well known is that eating healthy food is also good for our mental health and can decrease our risk of depression and anxiety.
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