03 March 2019 5 10K Report

In North America, leaders start talking about national security jeopardized by climate change and air pollution. What is the situation in your country ?

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One of the major question posed by artificial intelligence is the ethical question which algorithms will not taken into account.

02 March 2019 1,658 8 View

How is calculated the air quality index in your country ?

Different countries use different methods to compute air quality index. How is the air quality index is computed in your country ?

01 February 2019 5,688 10 View

Climate change and penalty for air quality managers: any experience to share ?

Climate change represents a significant penalty effect for air quality managers and it reduces their ability toward achievement the right emission controls and attainment of air quality standards....

05 June 2018 2,959 2 View

Geo-engineering to fight climate change is getting popular. But what are the drawbacks of such technologies ?

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08 September 2017 506 5 View

Importance of biological aerosols in atmospheric science is almost totally ignored, don't you think so ?

It has been established that biological aerosols (viruses, bacterias, spores, pollens, allergens, etc) could serve as cloud condensation and freezing nuclei much more effectively than inorganic...

07 August 2017 6,691 3 View

Why IPCC does not seem to account for tropospheric ozone as a greenhouse gas and in their scenarios of climate change ?

Tropospheric ozone is a pollutant but also a greenhouse gas. Why it is rarely mentioned in the litterature as such and also why IPCC does not seem to account for it in their scenarios of global...

07 August 2017 7,044 3 View

Which method gives the best predictive power: 1) standard multivariate regression 2) step-wise or 3) using AIC criteria ?

I found that from litterature it is not clear which multivariate method gives the best predictive power (testing with independant data): 1) standard multiple regression, 2) step-wise multiple...

31 December 2016 7,276 5 View

Does the probability density needs to be Gaussian when using the maximum likelihood method ?

Some authors have commented that maximum likelihood method has a robustness problem in estimating parameters. Among other things , does Gaussian hypothesis required to use this method ?

02 March 2016 4,942 7 View

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