Recently, we've been hearing about 'the death of environmentalism' because - allegedly - the world's corporations now understand ecology and will solve our problems with investment, innovation, and gung-ho optimism.
Of course, what the investors want to create with all that optimism and ingenuity are profits, not real sustainability.
Critics regularly accuse environmentalists of being 'doom and gloom' prognosticators who complain of endless problems, but offer 'no solutions'. However, if we check the record, we'll discover that serious ecologists have been offering solutions for centuries.
Real economic solutions
Economist John Stuart Mill realised the limits of nature 160 years ago, as he witnessed British factories multiplying across the landscape, spoiling woodlands, mowing down hedgerows and turning rivers into sewers.