MicroMyEarth is a huge online geoscience portal for books, courses, and lectures, as well as simulations, online field courses and online microscopy.

The Global Calculator: a free and interactive tool that shows the link between lifestyles, energy use, and the consequences for our climate. It is aimed at anyone interested in exploring what a low-carbon world could look like in 2050.

resourcetrade.earth allows you to explore the dynamics of international trade in natural resources, sustainability implications, and the new economic and geopolitical interdependencies emerging

circulareconomy.earth allows users to explore the policy and trade dynamics associated with transitioning from linear to circular economic models as well as providing analyses of the opportunities and trade-offs

World Barometer. One of the services provided by the International Raw Materials Observatory, using open public sources of info on sector trends, industry drivers, etc...