News tagged with ecosystem health

Alien invaders get a bad press

A new study, published in Acta Oecologia, says many of the most damning claims about invaders are not backed up with hard evidence. This might be skewing priorities when it comes to dealing with them.

Jun 10, 2013
5 / 5 (2) 1 | with audio podcast

Ecosystems reveal radiation secrets

A new study by Tiina Tuovinen, from the University of Eastern Finland, and her colleagues casts doubt over the validity of models used to assess the impact of radiation on human health. Their work is published online in Springer's ...

Jul 31, 2012
4.3 / 5 (3) 0 | with audio podcast

Hidden hunger from wildlife loss

How do you balance the need for biodiversity conservation and human health? For Christopher Golden, '05, a Post-Doctoral Fellow in Harvard University Center for the Environment, that question is at the core ...

Nov 21, 2011
5 / 5 (1) 0 | with audio podcast

How do green algae react to carbon nanotubes?

Nanoparticles such as carbon nanotubes (CNT), which are found in an ever-increasing number of products, are ending up more and more frequently in our surroundings. If and how they affect aquatic ecosystems ...

Nov 04, 2011
4 / 5 (1) 3 | with audio podcast

Australia pushes for ocean 'fertilisation' ban

Australia said it was pushing for a ban Thursday of any commercial use of a pioneering technique to reduce the impacts of climate change by "fertilising" the world's oceans with iron, warning of significant ...

May 16, 2013
5 / 5 (3) 1

Tracing nitrate in watersheds

Plants need nitrogen to grow, and nitrate is a common fertilizer ingredient, but high levels of nitrate contamination in drinking water sources can cause health problems. It is generally known that nitrogen flows through ...

Mar 15, 2013
5 / 5 (2) 0