By Charlie Conchie One of the UK’s biggest pension schemes has called in Lombard Odier to build a £5bn ESG fund to pump into companies tackling climate and social issues. Nest, which represents around a third of the UK workforce and some £36bn in assets, announced today it had appointed the Swiss investment giant to invest in firms facing issues like “climate change mitigation and adaptation, natural capital and social issues”. The Swiss money manager saw off 29 firms to win the mandate from Nest and is now aiming to have around £5bn invested in the fund by the end of the decade. “We want to b…