Is parthenium weed allergy problem worse than that of annual ragweed?

By Asad Shabbir Parthenium weed and annual ragweed are closely related members of the Asteraceae, known for their high allergenicity. The detrimental effects on human health of the more temperate annual ragweed are very well known. However, those of the more tropical parthenium weed are less well known and in fact much more severe, affecting…
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Giving garlic mustard the biocontrol treatment

In eastern North America a species of weed has become an aggressive invader. Garlic mustard (Alliaria petiolata) is one of the most rapidly increasing woodland invasive plant species, spreading across northeastern and midwestern USA and southeastern Canada at a rate of nearly 2,500 square miles per year. The plant was most likely introduced to North…
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Recent developments in the world of biofuels

Opinions on the use of crops for biofuel and bioenergy continue to be polarized – are they a ‘good thing’ or not? When are they a ‘good thing’? Who benefits? How do you measure the impacts and their interactions at a local, national and international level on food security, land resources, water, greenhouse gas emissions,…
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