• Monarch butterfly migration under threat

    Monarch butterfly migration under threat

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  • Africa starts to plant wall of trees across the Sahel to stop spread of Sahara desert

    Great Green Wall of Africa

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  • Senegal farmers' debt trap

    Senegal farmers’ debt trap

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  • Mexico's bottled-water obsession

    Mexico’s bottled-water obsession

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  • Jalousie slum in Port-au-Prince, Haiti

    New energy source for Port-au-Prince

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  • Mexico's first green hospital opens in Monterrey

    Mexico’s ‘first’ green hospital

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