Carbon, climate, energy
The Earth is warming, it is a statistical fact. With human responsibility being pointed out, more and more countries are encouraging "greener" initiatives, such as replacing coal with electric energy. Is the latter as virtuous as claimed? The interpretation of available data and some elementary calculations allow us to keep a cool head.
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A tricky equation – Mathematics article | Tangente
How much have human activities contributed to the observed and measured changes in Earth's temperature over recent decades? More importantly, what role can humanity hope to play through energy policies in altering this trend over the course of the 21st century?
Electric vehicles: virtues... and vices
Electric vehicles have a reputation for being clean. True—but much depends on where the electricity that powers them is generated...
The challenges of the energy transition
Modelling the key factors in the energy transition is essential in today's world, but it is no simple matter, especially because the modelling varies from one country to another. Electricity receives a great deal of attention, while other, sometimes far more important, areas are often overlooked. Here is a brief look at the key quantities that need to go into the equations.
Setting off bright and early, on a bicycle… | Tangente
According to some media outlets, the bicycle is the future of mobility and the key to the energy transition. And yet…
The going rate for black gold - Math brief | Tangente
Should we fear an oil shortage or a surge in oil prices?
The difficult question of forecasting | Tangente
How can we predict likely changes in temperature and precipitation twenty years, fifty years or a century from now?
Riverside road closures backfire | Tangente
The City of Paris decided to close the riverside roads. Tangente's editorial team asked the City of Paris to comment on the contents of this page. At the press deadline, we had not yet received a reply. If we do, we will add it to the digital edition of this issue.
Greenhouse gases: the paradoxes of transport
Greenhouse gas emissions continue to rise. Quantifying the share attributable to road transport is no simple matter—and reducing it is harder still!