Of all celestial bodies within reach or view, as far as we can see, out to the edge, the most wonderful and marvellous and mysterious is turning out to be our own planet earth. There is nothing to match it anywhere, not yet anyway.

The uplands of my home country in north central Kentucky are sloping and easily eroded, dependent for safekeeping upon year-round cover of perennial plants.

Each evening, I ached for the shelter of my tent, for the smallest sense that something was shielding me from the entire rest of the world, keeping me safe not from danger, but from vastness itself. I loved the dim, clammy dark of my tent, the cozy familiarity of the way I arranged my few belongings all around me each night.

The last few months have seen a welcome race to the top. Consumers have sent companies a clear signal that they do not want their purchasing habits to drive deforestation and companies are responding. Better still, companies are committing to working in partnership with suppliers, governments and NGOs to strengthen forest governance and economic incentives. It can be done and this Declaration signals a real intention to accelerate action.

I want to get out in the water. I want to see fish, real fish, not fish in a laboratory.

We need every person on Earth to acknowledge that climate change is real and encourage each other and our leaders to address the challenge.