Opinion

After the 2009 Copenhagen climate talks, Richard Gledhill made a pact to see a global deal before he retired from PwC’s Sustainability & Climate Change team. But on New Year’s Eve, time ran out

The Green Party's Natalie Bennett looks back on a year that offered plenty of optimism for the green economy

Green marketing guru, Dr Arlo Brady of freuds, runs the rule over an encouraging year for "post-CSR" trends

Simon Graham of Commercial Group says the generous spirit seen at Christmas should be embraced all year round

The Global Off-Grid Lighting Association outlines progress at recent talks to develop an efficient lighting strategy for West Africa

Dimitri Zenghelis argues the case for economics to play a central role in climate policy

Forum for the Future's Stephanie Draper reveals how how #theBIGshift campaign is seeking to tackle trous challenges faced by the food system

Leonie Greene says the bottom-up solar revolution is a global story but worries DECC is still ignoring its potential

WRAP's Dr Richard Swannell argues that resource constraints present huge new business opportunities for electrical manufacturers and retailers - but only if they embrace change

The CBI's Nicola Walker warns politicians against looking for a quick fix to help keep the lights on