Articles

Climate Change in Madagascar

  Poor economic situation and development capacity make Madagascar more vulnerable on climate change and environmental hazards than any other country on the African continent (WB) [1] . Between 1980 and 2010, 53 natural hazards - including, droughts, earthquakes, epidemics, floods, cyclones, and extreme temperatures - affected Madagascar causing economic damages of over US$1 billion . Since 2010, There has been an increase in new hazards’ events such as droughts and floods, and the apparition of new ones such as epidemics (7 epidemic events in the last 2 decades compared with 0 in the 1990s).  While we can attest to the physical change in climate scenarios (increased cyclones, temperature rise rate of 0.2°c, sea surface temperature increased by 0.60°C, rainfall intensity leading to floods, liaison between drought records and lack of rain records) [2] , calculating these impacts at a social level is still in its infancy Furthermore, with more than 90% of the world’s species end...

Climate Change in the news

Global citizen, Climate Change : What you need to know, by Angi Varrial, June 1, 2023 Climate change, generally associated with global warming of the planet, goes beyond an increase in the Earth’s surface temperature. It also involves “alterations in various climate patterns and systems, including precipitation, wind patterns, ocean currents, and the increased frequency and intensity of extreme weather events”. This change is directly linked to human activities since the industrial revolution brought about by developed countries. Unfortunately, people who are most affected by the associate shifts in climate patterns are not the ones responsible for it. Vulnerable populations, living in underdeveloped country (and the most marginalized communities such as indigenous people, women and children) suffer the most from its impacts (2 billion people in 2022 are highly exposed to environmental hazards, IEP). These environmental hazards certainly lead to social crisis. However, we can still act...

The natural greenhouse effect vs the human enhanced greenhouse effect

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Climate change and the greenhouse effet : What should we understand?

Climate science, like other scientific subjects, helps to set up the basis of the climate context  in which human beings evolve and how their actions impact the meteorological contex, as well as the induced social and environment impacts. From the preindustrial era to the present day, discussions on climate changes and related topics, such as global warming and related have multiplied within the scientific panel.  In 1998, considered to be one of the hottest year, a temperature rise of 0,68°C was recorded (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/global/time-series/globe/land_ocean/ytd/12/1850-1998). This shows that global warming is no longer a theoritical subject, but is creating real environmental hazards such as floods, sea rise, temperature changes and extreme events that affects not only the human systems, but also the earth systems. This is where adapatation and mitigation coud play their part as means of regulating the impact of human activities ...