Sustainable investment is much more than a trend with all available startegies have shown growth in excess of 20% over the last three years, says Peter Michaelis, head of sustainable investement at Liontrust

Talking about the shift of ESG from a marginal part of the industry to a prominent consideration for investors, he cites his team's stock and sector preferences, and plans for 2018.

Ethical investing has gone from avoiding controversial industries to focusing on positive developments, he says. Healthy eating, cyber security and energy efficiency are some of the themes Liontrust's sustaible future team focuses on.