"If we delay now, we will have a real delay.
"And if we delay too long, salmon runs, and even extinction, are at stake".
May warned: "If we delay we face the appalling prospect police operations will go dark, that trails will go cold, that terrorist plots will go undetected.
One was offered by 11 retired admirals and generals who advise that climate change "should be addressed now because [it] will almost certainly get worse if we delay".
If we delay the progress towards that required pathway it will become far more painful to do so in the future," he added.
"If we do not complete action on this legislation, I will predict right here and now that it will never pass, if we delay until next year," Senator Susan M. Collins, the Maine Republican who heads the Senate Governmental Affairs Committee, said at a news briefing.
"We know we're losing a thousand orangutans a year at the moment, so if we delay for another year, that's more habitats destroyed, that's more orangutans impacted by this," Gray said.
If we delay much longer, we will lose any international influence on this issue, and most surely, our restricted policy will deprive our own citizens of the benefits from the research.
But while there was a note of urgency in Ms. Browner's announcement -- "If we delay too long, the problem will become worse" -- the administrative and political realities of the situation make it unlikely that anything will happen soon.
If we delay any longer strong cuts in greenhouse gas emissions, it looks like global mean surface temperature is likely to exceed the level beyond which the impacts of climate change are likely to be very dangerous".
