My father warned Exxon about climate change in the 1970s. They didn't listen | Claudia Black-Kalinsky

Perhaps 2015 wouldn't have broken all temperature records had they acted then - but it's not too late to do something now

Related: Let's give up the climate change charade: Exxon won't change its stripes | Bill McKibben

At Wednesday's ExxonMobil shareholders meeting, CEO Rex Tillerson will have to answer tough questions about the company's role in causing climate change, including one from my family.