mountains

**Situation of High Mountain Species**

Marcela Ferreyra, a biologist, teacher, and botanical tourism guide, collaborates with Cecilia Ezcurra, a biologist with a Ph.D. in biological sciences and a researcher at INIBIOMA, focused on the systematics and evolution of plants in southern South America. Ezcurra has...

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The graph showing the countries that pollute the most

Every year, 36 million tons of CO2 are released into the atmosphere, the main driver of climate change. Most...