As demonstrators in London and around the world plan to continue blockading the streets over Easter, protesting Government inaction over climate change, wealth managers report their clients are more engaged with the issue than ever.

For those not inclined towards the drama of supergluing themselves to trains or chaining themselves to the leader of the opposition’s fence, there are plenty of ways to help clients become eco-warriors.

And as climate activist and investment legend Jeremy Grantham points out in his most recent white paper for his investment house GMO, this sector offers attractive benefits beyond ...