Concrete dams are used more often than fill dams to produce hydroelectric power because gates (also called sluices) or other kinds of outlet structures can be built into the concrete to allow for water to be released from the reservoir in a controlled manner. When water for power, drinking w...
So Dutch people build many dams (水坝) to protect the country from flooding. They have created almost one sixth of the country from seas and rivers!Did you know?◆ Rubber ducks are popular around the world. Dutch artist Florentijn Hofman created it in 2007. The yellow duck is 26 metres ...
Not a year after my grandfather arrived, the raisin went bust. The Armenian and Japanese farmers had planted so many grapes to dry into raisins that Sun-Maid couldn’t sell half of them. Who would buy the other half became a question of such wonderful theater, tragic and comic, that even...
Just imagine if everybody were recycling many of the garbage: collectively, we would be creating a huge decline in the sum of raw energy and materials we use–and doing a great deal of good for the planet. Recycle-able Materials: Wood Folks have been reusing that this conventional, renewabl...
Although many nations have laws that require vessels fishing in their waters to be locally owned — with the aim of keeping profits in the country and making it easier to enforce fishing regulations — China has found ways around them. Chinese companies partner with locals,...
A dam is like a wall that is built across a waterway to control the flow of the water.For many years,dams were built only of earth and rocks.Today,many dams are built of concrete. When a dam is built,water is trapped and held behind the dam.This water forms a lake.The lakes can...
This is the ability to build a tolerance for parasympathetic state. Many of us are running 'cause we're running from something or we're afraid of something. The ability to not just to stop and be still because stillness can be terrifying to many bodies, especially bodies that are running,...
However, as the latest generation of F1 cars have been designed to allow drivers to follow more closely with a reduced ‘dirty air’ effect, many people had hoped this would lead to DRS being dropped. While that is an aim of F1’s sporting bosses in the coming years, the device’s con...
However, people have to build dams to use this energy, and building dams is very expensive. Energy from the earth There is heat in the rocks under the earth. Scientists use the heat to make geothermal energy. San Francisco gets half of the energy it needs from geothermal power. This kind...
“contains false solutions such as ‘carbon markets.’ Many large global funders are still wedded to false solutions such as fracked gas, mega-dams, clean coal, and carbon capture.” “failed to adequately address the threat climate change poses to the ‘undeveloped’ world.” “failed to addr...