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302 contents match your search.
Bulletin nº Vol 67 (2) - 2018
Publish Date: 16 November 2018
In 2005, the television coverage of Hurricane Katrina, a deadly tropical cyclone that hit the North American coast near New Orleans, was both heartbreaking and enthralling to view. As I...
Publish Date: 25 January 2019
For the first time in its history, the World Meteorological Organization has addressed the UN Security Council on the risks to international peace and security posed by climate change and weather-related disasters.
The Global Climate Observing System (GCOS) is a co-sponsored programme which regularly assesses the status of global climate observations and produces guidance for its improvement. It is co-sponsored by the...
Start date1 June 1992
Publish Date: 17 January 2019
The year 2019 has started where 2018 left off – with extreme weather causing disruption, damage and loss of life. The high impact of these events – some of which are consistent from what we expect as a result of climate change - underline why extreme weather, climate change and environmental risks dominated the World Economic Forum’s annual Global Risks Perception Survey .
Bulletin nº Vol 65 (1) - 2016
Publish Date: 21 March 2016
In pitch dark at 40 below, a research expedition set out to the icy Arctic Ocean in January 2015.Their goal: to better understand ongoing changes in the Arctic due to a shift from an older and thicker ice cover that would survive the summer melt to a younger and thinner one that, to a larger degree, melts away in the summer.
Bulletin nº Vol 64 (1) - 2015
Theme: Environmental challenges
Publish Date: 2 March 2015
As atmospheric CO 2 continues to increase, more and more CO 2 enters the ocean, which reduces pH (pH is a measure of acidity, the lower the pH, the more acidic the liquid) in a process referred to as ocean acidification. Declines in surface ocean pH due to ocean acidification are already detectable and accelerating.