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Reintroduction experiments give new hope for plant on brink of extinction

Reintroduction experiments give new hope for plant on brink of extinction

  Marsh sandwort (Arenaria paludicola) in bloom at the Golden Gate National Recreation Area. Credit: Alison Forrestel, NPS     A critically endangered plant known as marsh sandwort (Arenaria paludicola) is inching back from the brink of extinction thanks to the efforts of a UC Santa Cruz plant ecologist and her team of undergraduate students. […]

Masura drastica la Londra: interzicerea in centrul orasului a masinilor vechi!

Masura drastica la Londra: interzicerea in centrul orasului a masinilor vechi!

Este vorba despre o propunere pentru Londra, denumita ULEZ (Ultra Low Emissions Zone), prin care se doreste limitarea accesului masinilor cu motoare diesel care nu sunt conforme Euro 6, dar si a celor cu motoare pe benzina care nu sunt conforme cel putin normelor Euro 4. Vi se pare exagerat? Cel mai probabil, majoritatea dintre […]