Greener lighting a solution to climate change

We are at a crucial juncture in the history of our planet. The global agreement at the UN climate change conference in Paris in December is an unprecedented commitment to pre-empt a catastrophic rise in global temperatures. Now is the time to change fundamentally the way we use the world's resources - or face the consequences.

The crucial next step is a review mechanism, agreed at the Paris climate conference, to revise national targets over time.

Clever use of energy will unlock a host of economic and social - not to mention environmental - benefits. Best of all, solutions to this great energy challenge already exist.