Soil Conservation

Soil conservation measures 95% of the world’s food is produced on soil One-third of the UK’s soils are degraded One million hectares (36% of arable land in the UK is at risk from erosion. According to the UK environment secretary, Michael Gove, in some parts of the country, the UK’s soils may only be able to support farming for a further 30-40 years. Conservation agriculture aims to restore soil quality by increasing biodiversity, organic matter and soil fertility. It does not involve any ploughing of ...

Penguins in St Kilda, Melbourne

With over 50% of the world’s population living in urban areas, urbanization is one of the main threats to biodiversity. Some plant and animal species may thrive in urban areas, whereas others find the pressures of urbanization challenging. Urbanization has been linked with local extinctions. The little penguin (Eudyptula minor) (AKA blue or fairy penguins) has colonized an area by the St Kilda breakwater in Melbourne harbour. The colony is only a few kilometres from Melbourne’s CBD. The birds are ...

New Release: IB Environmental Systems and Societies – Study & Revision Guide

We are delighted to announce the publication of our new study and revision guide for IB Environmental Systems and Societies (ESS). Written for the requirements of the 2017–2023 exam sessions, this revision guide offers succinct coverage of the whole syllabus for Environmental Systems and Societies, with extensive self-test material to help students prepare for mocks and final exams. Clearly structured to match the curriculum, it offers exam tips and original case studies.   Here’s what author Adrian Palmer said about his book: I have ...

Invasive species and conservation

  Two stories grabbed my attention this week in the news relating to the Ecology and Conservation option unit G. One was the possible hunting of Canada geese (Branta canadenis) in France due to unexpected climbing numbers. Perhaps it caught my eye as I live in Canada. As the largest goose found in europe it was introduced into Britain in the 17th century; they are prolific breeders. At the end of the 1990's there were only several hundred in France, now there ...