Sentences with phrase «irrefutable evidence before»
The potential problems are of such magnitude, however, that if we wait for irrefutable evidence before taking steps to halt the emission of gases and the destruction of rainforests, it will be too late (quite literally) to «stem the tide».
http://www.religion-online.org/ Not exact matches
That is a statement that was frequently being bandied about by the tech blogs about 5 - 6 years ago, back before there was irrefutable evidence that Google, Samsung, Huawei, Xiaomi and major app developers were making real money on the platform.