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Will marine currents change?

How much is the planet worth?

How do oil, gas and coal get created?

Is “sustainable development” of any use to save the world?

Societal choices

A foreword for the book “Petroleum, natural gas and coal” of Bernard Durand

How many extra degrees can we get?

Predicting the future

What is the cost of energy?

Italy and energy: a case study

Societal choices

Could we live as today with just renewable energy?

Is it easy to store energy?

Why is it said that the earth is warming up?

Physical aspects