The voters in the 70s and 80s did, sure. But as this article explains, those voters were withheld crucial information that could have informed their voting choices.
2010 was the first election I was eligible to vote in, and in the past decade+ I (and many others) have not voted for pro-oil/coal/fracking/etc candidates. Yet we're the ones that are (and will continue to) live with the consequences of Big Oil's actions from decades ago.