Immunology

Still sneezing? Climate change may prolong allergy season

Every year, without fail, summer brings changes to our surroundings: more sunlight, heat, greenness and flowers, among many others. For some people, these changes also mean increasing physical discomfort because along with ...

Diseases, Conditions, Syndromes

In Burundi, 1,800 dead as malaria 'epidemic' rages: UN

Malaria has killed more than 1,800 people in Burundi this year, the UN's humanitarian agency says, a death toll rivalling a deadly Ebola outbreak in neighbouring Democratic Republic of Congo.

Health

How climate change could make your allergies worse

Sprouting daffodils, magnolias, and cherry blossoms serve as cues to put away puffy coats and say goodbye to winter. But for more than 50 million Americans (myself included), the beautiful flowers also signal something else: ...

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Climate change

Climate change is any long-term change in the statistics of weather over periods of time that range from decades to millions of years. It can express itself as a change in the mean weather conditions, the probability of extreme conditions, or in any other part of the statistical distribution of weather. Climate change may occur in a specific region, or across the whole Earth.

In recent usage, especially in the context of environmental policy, climate change usually refers to changes in modern climate (see global warming). For information on temperature measurements over various periods, and the data sources available, see temperature record. For attribution of climate change over the past century, see attribution of recent climate change.

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