Sentences with phrase «matter of a few centuries»

However, I think we need to take a good hard look at the Pliocene, because we have driven one parameter straight into that era in a matter of a few centuries.

Not exact matches

The universe is not «accurate,» but the matter and energy in it obey a set of laws we've identified over the past few centuries.

In the last decades of the 20th century, it became very fashionable, and in some circles almost obligatory, to claim that there were no fundamental differences between males and females except for a few trifling matters of plumbing.

That wouldn't matter if our top firms were stodgy and closed to outsiders, as much of American industry was until the last few decades of the 20th century.

This gave the researchers the capability to look for interacting dark matter, which would be expected to produce only a few signals per century per kilogram of xenon, researchers said in the statement.

These spikes show rainfall levels rising sharply over just a few decades, and falling off again soon afterwards, in a matter of centuries.

Michael, you claim expertise in this matter, and say that «biology and ecology may not be [my] cup of tea»... leaving the insult aside, where are all these putative species which have been driven extinct by the ~ 1 - 2Â ° temperature rise of the last few centuries?

The challenge before us is to transform our 20th century carbon based energy model into a low or no carbon system within a matter of a few decades.

There are a few clues that maybe CO2 doesn't idle the centuries away aloft, and that (I know you'll be shocked) the Climate Commission (and IPCC) have overstated things: If emissions are absorbed by the global system in a matter of months, it rather blows the idea that we have to act decades ahead to stop the catastrophe.

Fossil Fuel is a generic term that isn't quite correct Natural Gasoline is a distilled derivative of oil but almost all ofit is manufactured from cracked and recombined oil derivativeswhile natural gasoline is further refined intoPropane, butane, Proproline (a plastics feed stock), and Natural gasand also separates out sulfur (for fertilizer and explosives) Gasoline can be made from coal («Coaline») or from organic matter («Bio-fuel») but uses a few of oil based feed stocks instead tomake «Sythiline» (artificial gasoline) This gasoline is actually cleaner burning then natural gas with allit's «flare offs» (butane, propane, propoline, sulfur) used in theearly 19th century because it is manufactured only with essentialHydrocarbons Diesel fuel is also becoming more and more Manufactured instead ofdistilled as demand for it rises but improvements in Hydro cleaningis allowing for diesel with no volatile chemicals like sulfur andmercury (taken out for petro - chemical feedstock to make fertilizerand thermometers) In both cases what you have is pure hydro - carbons, a carbon atomwith hydrogen atoms attached to it In the case of gasoline there is CH1, cH7, CH11 When in a combustion engine the gasoline is sprayed into the pistonafter being mixed with air and the drive of the engine compressesthe the chamber filled with the gasoline mist until it's full downstoke then the spark plug causes the Exothermic reaction... which isthe conversion of the potential energy in the gasoline mist to heatand force, with the force side of that equation shooting the pistonupward and the top of the stroke kicking what's left of thecaramelized gasoline mist out into the Emission control box If the Emulsion control box wasn't there to filter out the burntgasoline particles, any potential additives and volatile chemicalsthen the caramelized gunk hitting air would create CARBON MONOXIDEin the cooler then the heat of the engine difference CARBON MONOXIDE can also become a problem if the Emissions controlBox filter, air filters or muffler filters is worn or damaged.

In addition, time scales matter here — increasing the amount of CO2 by 33 % over the course of a few decades would overwhelm any system (like the Earth's climate) that has a time constant of centuries.