Sentences with phrase «ragweed pollen season»

Rogers experienced a 12 - day increase in ragweed pollen season between 1995 and 2011.

Higher ragweed pollen concentrations and a longer ragweed pollen season may also increase the severity of ragweed symptoms, with populations across most of Europe likely to be affected in the next 35 years.

Rogers experienced a 12 - day increase in ragweed pollen season.

«Higher ragweed pollen concentrations and a longer ragweed pollen season may also increase the severity of symptoms,» he added.

17 One more reason to hate climate change: Researchers report that ragweed pollen season in North America has lengthened since 1995 — by 16 days in Minneapolis, for instance.

Madison and Lacrosse experienced 13 and 14 - day increases in their ragweed pollen season respectively between 1995 and 2011.

In contrast, southern locations showed little climate effect and had no significant change in the ragweed pollen season, which is already three months long.

The study demonstrated that the number of frost - free days, and a delay in the first autumn frost, has occurred since 1995 as a function of latitude, extending the ragweed pollen season into the fall, particularly for the more northern locations.

The report also looks at some of the ways that climate change may affect human health and society using key indicators related to Lyme disease incidence, heat - related deaths, and ragweed pollen season.

News article describing the results of a study, published Mon 21 - Feb - 2011, in Proceedings of the National Academy of Sciences, looking at ragweed pollen season and local climate changes.

Now the Agricultural Research Service (ARS) has produced a study into 15 years of pollen data, investigating anecdotal signs of an increase in the ragweed pollen season - and whether it could be linked to climatic changes.