This imbalance, if we want to stabilize climate, means that we must reduce CO2 from 391 ppm, parts per million, back to 350 ppm.

Description It is able to tolerate soils with copper concentrations of up to 15,000 ppm, and soils with nickel concentrations of almost 5000 ppm.

For example, herring contains mercury levels at about 0.1 parts per million, while shark contains mercury levels greater than 1 part per million.

A portion of the 1 million would be used to produce videotapes

If we are to have a good chance of achieving that target, the concentration of CO2 must not be allowed to exceed 450 parts per million (it is now nearly 390 ppm).

When the first IPCC report was published in 1990, the concentration of CO2 in the atmosphere had reached 354 parts per million (up from the preindustrial baseline of 280 ppm).

This compared to an average level of 4 ppm for people living outside the Minamata area.

The salt concentration is usually expressed in parts per thousand (permille, ) or parts per million (ppm).

The name comes from the number of parts per million of carbon dioxide in the atmosphere that, according to Jim Hansen, perhaps the world s leading climate scientist, we should not exceed if we are to avoid potentially catastrophic climate change. It is a measure of the seriousness of our problem that CO2 is already at 386 ppm, and is rising by two ppm each year.

A more recent study suggested even higher CO2 concentrations of up to 3180 parts per million.

Only 155 ppm include deuterium ( or D), a hydrogen isotope with one neutron, and fewer than 20 parts per quintillion include tritium ( or T), which has two.

Rare earth elements change through time in small quantities (ppm, parts per million), so their proportion can be used for geochronology and dating fossils.

The evidence also shows that contamination levels are extremely variable, ranging from non detectable amounts to 810,000 ppm.

This means that between one million and 1.5 million Sunnis have fled the capital.

A classic example is James Hansen, a NASA climatologist pushing for 350 parts per million carbon dioxide in the atmosphere.

The last time CO2 was 390 ppm, today's value, sea level was higher by at least 15 meters, 50 feet.

For chemicals, the chemical regulation is usually expressed in parts per million (ppm), or sometimes in milligrams per cubic meter (mg m3).

It has been estimated that the solid earth as a whole contains 730 ppm of carbon, with 2000 ppm in the core and 120 ppm in the combined mantle and crust.

Within just 50 years that's one hundredth of one millionth of the Earth's age the amount of carbon dioxide in the atmosphere started to rise, and ominously fast.

An extensive set of libraries are also part of the Java platform.

In other words, even if OECD countries reduce their emissions to zero, they alone could not put the world onto the 450 ppm trajectory.

National colours are frequently part of a country's set of national symbols.

She is an active member of the One Million Signatures Campaign.

You have to put in hundreds of microscopic wires to record from little tiny individual neurons ordinary fibers that put out tiny signals that are microvolts.

The article alleged that Quintais partly controlled by a company owned by the Berlusconi family s investment vehicle and partly by a holding company controlled by the Gaddafi family s investment arm.

The airline became part of the US Airways Group after a merger in 2005.

Accor S.A. is a French hotel group, part of the CAC 40 index, which operates in 92 countries.

Consider some numbers from the Stern Review concerning the future benefits of preventing greenhouse gas concentrations from exceeding 550 ppm, as well as the costs of accomplishing this.

Yeah, I'm a million mile flyer.

Many political leaders have expressed support for strong action on climate change, but what most of them regard as strong action will not be enough to get us back below 350 ppm.

It is part of a group of four young cinder cones NW of Las Pilas volcano.

This gene is part of a cluster of cytochrome P450 genes on chromosome 7q21.1.

The group of houses are part of a 2,000 house community called Tuscan Lakes.

The resonance frequency can be made so stable that it varies only 1.5 parts per billion (ppb) from the specified value over the operating temperature range (), and its average drift with time can be as low as 4 ppb per day.

In August 2009, Tanaka began working with a new company, Arashi Supergirl, part of the large Hokuto Corporation group of companies.

(French Pathé News continued until 1980, and the library is now part of the Gaumont Pathé collection.

Instead, the agreement limits itself to responding to the widely accepted goal of keeping carbon dioxide levels below 450 parts per million, and the rise in average global temperature below 2 C. But are these targets realistic?

Two IEA climate policy scenarios show how we could stabilize the concentration of greenhouse gases at 550 or 450 parts per million of CO2 equivalent.

Most native languages are part of the Philippine branch of the Malayo Polynesian languages, which is itself a branch of the Austronesian language family.

The cement market in Zambia is virtually 100 per cent controlled by the monopoly undertaking Chilanga Cement, which is part of the Lafarge Group.

Its abundance in the Earth's crust is approximately 1.6 ppm.

Man Yes, well, first, you know, I'm part of News Corporation as part of Fox Entertainment Group.

It is part of the wider western group of Romance languages, including French, Occitan, and Catalan.

In modern terminology, SRBMs are part of the wider grouping of theatre ballistic missiles, which includes any ballistic missile with a range of less than 3,500 km.

In modern terminology, MRBMs are part of the wider grouping of theatre ballistic missiles, which includes any ballistic missile with a range of less than 3,500 km.