Sentences with phrase «signficant low»
A CO2 pulse in the atmosphere will take centuries to finally return to original levels, and that is completely ignoring any potential feedbacks from other parts of the system (ie temperatures raised for centuries could result in massve methane releases and loss of signficant low albedo ice sheets etc.) The experiments I am aware of that show improved plant growth in elevated CO2 levels require that all additional biological needs are amply provided for.
http://illconsidered.blogspot.ru/ Not exact matches
Feature: While new Nasdaq rules and the switch to decimal pricing have reduced the bid - ask spread, the spread continues to be signficant for smaller - cap stocks, particularly those that have low volume.