Modelling nitrous oxide emissions from agriculture once fertilizer leaves the field

Countries need to keep track of their national greenhouse gas emissions in an effort to meet targets to combat climate change. Even though carbon dioxide gets most of the attention, nitrous oxide is the most potent of the top three greenhouse gases that contribute to current global warming, having 300 times the warming strength of carbon dioxide. In many countries agriculture is the largest source of nitrous oxide emissions. Keeping track of these emissions after they leave the farm fields via water pathways is difficult.

Read more

In need of a spa day? Why whales migrate to tropical waters

Whales have long been known to undertake mega-migrations. The seasonal occurrence of these marine giants provides great excitement, opportunities for tourism and a myriad of local ecological benefits. Yet, whilst scientists have documented and mapped these journeys for many whale populations across the world, the underlying reason for such odysseys has remained elusive. New research now suggests that whales may make these epic undertakings for the benefit of their skin.

Read more