  Rio+20: 'Extraordinary' coalition warns governments can't go
it alone  on .  By their own admission, it is an "extraordinary"
group of leaders from across business, NGOs, trade unions and
science that have come together to find a new path towards
sustainable development. But then again, these are extraordinary
times.  Several powerful CEOs, including Unilever, Alcatel
Lucent, Coca Cola and Anglo American, have joined forces with
trade unions, NGOs and scientific institutes, to define a new
multi-dimensional approach to solving the world's sustainability
challenges.  Their message to governments at the Rio +20
conference is very clear. While politicians can set goals, move
toward common standards, seek free and fair trade flows, and
mobilise finance, they cannot save the world on their own.  The
group, calling itself the Friends of Rio, go further by saying
in coded language that governments actually need all the help
they can get and would be foolish to turn down the support of
emerging coalitions of busine