Welcome! This site is for students to practice their English and keep up to date with environmental issues.

You can find a mixture of reading, crosswords, videos and short English lessons: these will normally be vocabulary, but I may also treat you to some grammar!

There are now over 260 lessons on this blog. Look through the Blog archive, Post labels and Popular Posts to find what you want.

If you want to print a lesson, click on the lesson title and then look for the Print Friendly icon.

''Let nature be your teacher''
William Wordsworth, poet, 1770-1850

''Joy in looking and comprehending is nature's most beautiful gift''
Albert Einstein, physicist, 1879-1955

''... to find the word, or words, by which [an] idea may be most fitly and aptly expressed''
P.M. Roget, lexicographer, 1779-1869

Saturday, 27 August 2011

Invasive species

Level: Advanced / C1

An interesting photo-article in this weeks Daily Telegraph about invasive species in Britain.
Have a look at the article and answer these questions:
1) Where do Zebra Mussels come from?
2) Why was Japanese Knotweed introduced?
3) What does the Signal Crayfish have in common with the Chinese Mitten Crab?
4) When did it become illegal to grow Giant Hogweed?
5) Which of the invasive species has cost Britain the most money?

Answers below!


1) Russia
2) As an ornamental plant
3) Their burrowing can cause river banks to become unstable
4) The 1980s
5) The rabbit

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