Food waste has been a perpetual problem in the developed world. While many people in other countries have been facing food shortages, people in major cities of developed countries are throwing away vast amounts of food - just sheerly not being able to finish it. Each year, an amount of 1.3 billion tons of food is wasted.
The changing weather pattern has led to the need of rethinking water formulations all over the world. El Nino and La Nina effects has led to irregular rainfalls, which leads to dry periods and the latter bringing on extended bouts of rain.
In 2011, Gardens by the Bay was opened in Singapore. The aim was to create a city in a garden that would contribute to making the city more comfortable to live in. During the design phase of Gardens by the Bay, there was a lot of attention given to making the park eco-friendly. The result is symbiosis that connects the different attractions of the park.