We ran an article a couple of weeks back about the 5 worst invasive species which focused only on animals. A lot of people who responded were wondering where all the plant species were. Well, they’re right here. In no particular order of importance, here are 5 of the worst invasive plant species in the world.

5. Japanese Knotweed
The Japanese Knotweed was first brought to western countries from Asia during the Victorian era for use as 
27. November 2007
Gordon Brown will back new nuclear power stations despite opposition from some activist groups.
The prime minister’s speech at the national conference of the CBI emphasized his belief that 
27. November 2007
Mexican President Felipe Calderon has pledged nearly $5 million in an effort to protect monarch butterflies through tourism.
The money will go towards development and advertising for the Monarch Butterfly Biosphere Reserve. The reserve 
27. November 2007
The last private island in New York City is now for the birds.
South Brother Island, a 7 acre island with no residents or buildings, was sold to 
26. November 2007
In what at first glance seems like a contradictory move, the British government is pushing gigantic trucks as a way to cut carbon emissions and costs.

Vroom
The trucks are called LHVs, for longer, heavier vehicles, or “superlorries”. They are similar to 
26. November 2007
We’ve mentioned howies before, and we hope to go on mentioning them, as they once again continue to come up with innovative and sustainable solutions to daily problems.
![]()
After opening their shop on Carnaby Street less than two months ago, they are tackling the problem of 
26. November 2007
A group of militant environmentalists has pledged to harass and intimidate the Japanese whaling fleet that recently set sail on an expedition to hunt over 1000 whales, including 50 rare humpback whales.
The group is called the Sea Shepherd Conservation Society (SSCS), and it plans to disrupt the whaling fleet by 
26. November 2007
Weather related disasters have increased 4-fold since 1980, according to a report published by Oxfam on Sunday.

26. November 2007
An extremely rare male South China tiger cub was born in South Africa’s Free State province to proud parents Tiger Woods and Cathay.
The birth of little Tiger Woods Jr. marks the first time one of the animals has been born outside China, according to 
25. November 2007
A group of rich countries has broken their promise to provide $1.2 billion to help poor countries cope with the costs of global warming.

The countries promised the money in 2001 for a variety of environmental projects, but less than 
27. November 2007
2 Comments