Since there is freedom, everyone can say what they want. But no one can deny the evidence. What the science says is that climate change is happening, and what we observe - as any human being can see - is that it is happening. I think we should base ourselves on what science says, which is the only one based on facts. When they say horrors of this kind, or about vaccines, what can I tell you? There were also people who said the earth was flat.

Since there is freedom, everyone can say what they want. But no one can deny the evidence. What the science says is that climate change is happening, and what we observe - as any human being can see - is that it is happening. I think we should base ourselves on what science says, which is the only one based on facts. When they say horrors of this kind, or about vaccines, what can I tell you? There were also people who said the earth was flat.

So speaks Avelino Corma, the most influential Spanish scientist in the world, chemist and founder of the Institute of Chemical Technology. He talks about the need to invest in R&D or carbon emissions, denial of climate change and requests that both the state and companies invest more: