Mr Green's Blog

Reducing global CO2 emission depends heavily on renewable power generation. With all but four countries in the world signed up to the Paris Climate Agreement, the pressure is on to accelerate the deployment of renewable sources of energy, and wind power is taking the lead.

Old refrigerators consume a lot more electricity than the highly efficient models available today. Do a quick calculation, and you would find that you would have been better off buying a second energy-saving fridge to keep than running that old energy gobbler in your garage.

From its humble beginnings as a communication protocol connecting peripherals to PCs, the Universal Serial Bus (USB) has grown to become the dominant power delivery standard for consumer electronics and mobile devices. With the expansion of output power supported by USB Type-C and favorable regulations in the works, it looks like the dominance will continue for years to come.