Commissioned by Tunnel Holdings, Australian company Laservision has developed an innovative signalling system at the entrance to Sydney Harbour Tunnel.

Bloomberg News Energy Finance recently reported that water companies in the United States are expected to invest heavily – close to $2 billion between now and 2020 – in the development of smart solutions.

Also known as organic pools, these swimming pools work on the principle of lagooning, with a biological self-cleaning natural water system based on aquatic plants, including reeds and various natural organisms. The water can either come from rainwater, be collected through pumping, or even come from a river. These types of natural pool are 100% ecological and free from any chemicals. They also promote the development and conservation of biodiversity and ecosystems that thrive in these kinds of environments.

NASA and Japan Aerospace Exploration Agency (JAXA) are launching a program aimed at watching over Earth’s precipitations in real time. Scientists from both institutions, as well as Indian and French counterparts, shared their know-hows to create a specific device able to measure global rainfall. The Global Precipitation Measurment (GPM) is possible thanks to an international satellite and every three hours this satellite will check on rain and snowfall.

Facebook has had data centres built in the United States and abroad to host all of its users’ data. The company has now revealed the energy efficiency of two of its sites, Prineville and Forest City, thanks to a chart which allows their energy consumption to be monitored in real time.

On 22 and 23 April, the Global Water Summit will address the concept of risk applied to water resources and associated infrastructures.