You have asked a very relevant question.
First of all, this is primarily an issue of knowledge. Although I am a cardiologist and a professor of medicine, five years ago I hardly knew anything about these things that I have presented. And yet, the science was there. You could say that the circle of environmentalists — I'm not talking about activists, but rather the scientists, the botanists and the climatologists — do science in a bit of a bubble. The scientific world is enormous. Indeed, 17,000 scientific articles are written daily. Just keeping abreast of your own specialty is a challenge. And yet, you find out about all kinds of extremely interesting things once you step out of your comfort zone.
I gave this presentation at Ouranos, the big climatology centre in Montreal. The people were so excited. They said that this was the first time that a doctor had spoken about this concern. To answer your question, Madam, I think that we need to have some places where these scientific walls are broken down. Moreover, your committee is an excellent forum for doing this in order to share this type of knowledge.
I am not lobbying; I'm a professor, a scientist and a doctor. When I talk to people, I address them as though I were talking to my patients, but sometimes I am talking to an audience of 30 or 300. I sometimes prefer to talk to people on an individual basis. However, I always use the same language. There are numerous political issues: the left and the right, the rich and the poor, you can list them, but I feel that the environmental issue is always, first and foremost, a question of health. For me, it is as simple as that.
Perhaps my perspective has been skewed by my professional training, but I literally look at the world through the eyes of the heart. I cannot help but always wonder whether something is good or bad for the heart. We have to bring together all of this expertise from all of the other scientists, put the puzzle pieces together to finally come up with an overall view.
We can then see that all of this can be avoided. The game plan becomes easy. We also have data showing that we will spend less money, we will spend less money on health care and we will have better insulation. There is some kind of monumental convergence taking place that shows that when you plant trees, you reduce the need for heating and air conditioning, you make the climate more temperate, purifying the water and purifying the atmosphere.
Not so long ago, I did not know that a tree was able to remove pollution at such an incredible rate, absorbing volatile organic compounds. Recently published data in Science and in Nature attest to this. Not only do they absorb CO2, they also absorb toxins. Trees clean the air, they are very efficient air filters.
There are some things that we cannot do all at once. We have the current state of affairs, and we also have the objective we are hoping to achieve. Just as we want everyone to have health, an income and protection, we want things for the environment, the first thing being knowledge, I am convinced.
That is why I wrote a book. I give courses and I make presentations to various groups. When people are knowledgeable about things, they make demands. The politicians will have to take action if the people are asking them to do so. I know that the politicians in some cities were 10 years ahead of the general public, but these politicians were being kept back because people were not aware of the situation.
The whole issue of knowledge channels, dissemination and places like this one, namely where there is an interface for knowledge, is vital. These interfaces are fertile ground. Whether we are talking about water, the earth, the forest's edge, a shoal or a large bed, fertility is always the greatest in these interfaces. This has always been the case.
The same thing applies to human thought. We are particularly fertile in the interfaces. So I'm suggesting that we multiply this type of interaction with decision-makers, who have to make choices regarding many difficult issues and who have to sign the cheques at the end of the year. As far as I'm concerned, the only way to make advances is through knowledge.