Tighter climate policies could erase $2.3 trillion in companies value - report

LONDON (Reuters) - Tighter government climate regulations by 2025 could wipe up to $2.3 trillion (1.79 trillion pounds) off the value of companies in industries ranging from fossil fuel producers to agriculture and car makers, an investor group warned in a report.Rules aimed at lowering carbon emissions are expected to accelerate in the coming years as countries scramble to meet obligations under the 2015 Paris climate agreement limiting global warming.Any abrupt policy shifts risk severely..