Truth Fact #1

Today's CO2 concentration is higher than it ever was

1. http://maps.grida.no/go/graphic/temperature-and-co2-concentration-in-the-atmosphere-over-the-past-400-000-years

• J.R. Petit, J. Jouzel. et. al. Climate and atmospheric history of the past 420 000 years from the Vostok ice core in Antarctica, Nature 399 (3June), pp 429-436, 1999 is the source
• the UNEP which is the Environmental knowledge for change.
• Very Credible
• It has like a graph and ever since 1950 the C02 concentration has been going up.
• Yes
• Because it is credible.

2. http://greengrasscutters.com.hosting.domaindirect.com/id2.html

• Jay Wilson, president of the Green Grass Cutter
• DCR (Virginia Department of Conservation and Recreation)
• Credible enough to get into magazines like Vanity Fair
• It show the CO2 concentration has been going rapidly since about the 1950s now its higher than it ever was.
• Yes
• Because it was directly measured. 3

3. http://www.guardian.co.uk/environment/2008/may/13/carbonemissions.climatechange

• David Adam, environment correspondent
• guardian.co.uk
• Very credible its like world online news
• It directly says the CO2 concentration is higher than it ever was.
• Yes
• Because CO2 concentration can be measured

I believe this fact because all these sources said it was true and it can be measured.