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A leading scientist of the 21st century for Genomic Sciences; Co-Founder, Chairman, Synthetic Genomics, Inc.; Founder, J. Craig Venter Institute; Author, A Life Decoded
The importance of doing something now about the environment.

Like many or perhaps most I wanted to believe that our oceans and atmosphere were basically unlimited sinks with an endless capacity to absorb the waste products of human existence.  I wanted to believe that solving the carbon fuel problem was for future generations and that the big concern was the limited supply of oil not the rate of adding carbon to the atmosphere. The data is irrefutable--carbon dioxide concentrations have been steadily increasing in our atmosphere as a result of human activity since the earliest measurements began. We know that on the order of 4.1 billion tons of carbon are being added to and staying in our atmosphere each year.  We know that burning fossil fuels and deforestation are the principal contributors to the increasing carbon dioxide concentrations in our atmosphere. Eleven of the last twelve years rank among the warmest years since 1850.  While no one knows for certain the consequences of this continuing unchecked warming, some have argued it could result in catastrophic changes, such as the disruption of the Gulf Steam which keeps the UK out of the ice age or even the possibility of the Greenland ice sheet sliding into the Atlantic Ocean.  Whether or not these devastating changes occur, we are conducting a dangerous experiment with our planet. One we need to stop.

The developed world including the United States, England and Europe contribute disproportionately to the environmental carbon, but the developing world is rapidly catching up.  As the world population increases from 6.5 billion people to 9 billion over the next 45 years and countries like India and China continue to industrialize, some estimates indicate that we will be adding over 20 billion tons of carbon a year to the atmosphere. Continued greenhouse gas emissions at or above current rates would cause further warming and induce many changes to the global climate that could be more extreme than those observed to date. This means we can expect more climate change; more ice cap melts, rising sea levels, warmer oceans and therefore greater storms, as well as more droughts and floods, all which compromise food and fresh water production.

It required close to 100,000 years for the human population to reach 1 billion people on Earth in 1804.  In 1960 the world population passed 3 billion and now we are likely to go from 6.5 billion to 9 billion over the next 45 years.  I was born in 1946 when there were only about 2.4 billion of us on the planet, today there are almost three people for each one of us in 1946 and there will soon be four.

Our planet is in crisis, and we need to mobilize all of our intellectual forces to save it. One solution could lie in building a scientifically literate society in order to survive. There are those who like to believe that the future of life on Earth will continue as it has in the past, but unfortunately for humanity, the natural world around us does not care what we believe. But believing that we can do something to change our situation using our knowledge can very much affect the environment in which we live.