'हरित सूचकांक' (पर्यावरणीय रूप से सुस्थिर विकास सूचकांक) निम्नलिखित में से किस संगठन द्वारा विकसित किया गया था?

'Meeting the needs of the present generation without compromising the ability of future generations to meet their own needs' is the definition of:

Which of the following correctly distinguishes between 'Weak Sustainability' and 'Strong Sustainability' in environmental economics?