A blue diamond weighing nearly 10 carats has sold at auction in Switzerland for 20.5 million Swiss francs ($26.6 million) including fees. The pear-shaped 9.51-carat “Mellon Blue” — ...

When nature decides to rest, storage systems come into play to help renewable energy do its job. Energy storage is the keystone to providing added value to green energy.

Climate change and rising authoritarian threats put our future at risk. Bill McKibben discusses his book Here Comes the Sun ...

Have you ever heard of floating solar farms? In recent years, such structures have become more and more popular, and some experts even say that in the future they will completely replace traditional ...