The choice of the armadillo as World Cup mascot could have led to great conservation gains in Brazil, writes Robert Young. Results so far are deeply disappointing - but it's not too late for FIFA and Brazil to create a natural endowment to be proud of for decades to come.
Already hit by rows over radioactive waste and airport expansion, the London 2012 Olympic Games are accused of degrading green land vital to local communities and wildlife. Tom Antebi reports