Director / Editor: Victor Teboul, Ph.D.

Looking inside ourselves and out at the world
Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

50 years ago, NASA sent 2 spacecraft to search for life on Mars – the Viking missions’ findings are still discussed today

By Joel S. Levine, Research Professor of Applied Science, William & Mary

The Viking missions paved the way for future Mars missions and helped researchers understand the red planet’s climate and geology.

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~	Colonialism and climate risk are connected: evidence from Ghana and Senegal

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~	Ethiopia’s mega dam has taken 14 years to build: what it means for the Nile’s 11 river states and why it’s so controversial

~	Cities need trees, but sometimes they have to be cut down – here’s why, and how to do it properly

~	What we learned about North Korea at the summit in Beijing

~	Sustainable fuels could reduce the climate impact of military aircraft

~	The history of strikes in union and political movements in France

~	Why preserved vegetables can turn deadly – and how to stay safe