Resource efficiency
Global Green Economy Index 2018
Global Green Economy Index 2018
by Kees Roest PhD BSc

The results from the new 2018 Global Green Economy Index™ (GGEI) are online. This 6th edition covers 130 countries (up from 80 in the 2016 edition). Like in past years, the GGEI is an integrated measurement of how each country performs around climate change, sector decarbonization, green market development and the environment. The GGEI was the first green economy index,...

Freshwater resources management
Drought 2018: maize crop benefits from treated wastewater
Drought 2018: maize crop benefits from treated wastewater
by Ruud Bartholomeus PhD MSc

The 2018 drought affected agriculture heavily, especially in the sandy Eastern part of the Netherlands where freshwater supply by rivers is not possible. Treated wastewater is increasingly being considered as freshwater source for irrigation. Our experimental site in Haaksbergen clearly showed the benefits for crop yields of subsurface irrigation using treated wastewater. Additionally, the drought provides insight in the ‘worst...

Resource efficiency
Energy-efficient living starts with behaviour
by Kees Roest PhD BSc

After renovating their home, some people actually start using more energy. Bas van Vliet (WUR and part of the knowledge action program water; https://www.kennisactiewater.nl/) writes that a house that was upgraded from energy level E to B could suddenly use more energy, which is the result of behaviour, so it is important to account for the way people use their…...

Resource efficiency
Cites and Circular Economy for Food
by Kees Roest PhD BSc

A report by the Ellen MacArthur Foundation was launched at the World Economic Forum Davon 2019. The report highlights a number of issues that reveal the need for a radical change in direction for our current global food system. Three ambitions are proposed to address the problems: (1) growing food regeneratively, and in or near cities where appropriate, (2) reducing…...