by admin | Nov 7, 2020
For all the publicity and enthusiasm generated around renewable energies such as solar, wind and biomass, their actual adoption has not been so remarkable. Although their usage in electricity generation has increased from 0.6 per cent of the global total in 1973 to...
by admin | Nov 7, 2020
Dr Daniel Matthews of the Faculty of Law is an admirer of English philosopher Thomas Hobbes, who defined sovereignty as it is commonly understood: escaping nature under the security and protection of the state through a social contract. Hobbes was writing 400 years...
by admin | Nov 7, 2020
A great mystery in palaeoclimatology is the timing and magnitude of the second largest meltwater pulse (MWP-1B). A meltwater pulse is an abrupt rise in sea levels caused by a sudden influx of meltwater. The first MWP, known as 1A, is well documented but until now the...
by admin | Nov 7, 2020
Intact tropical forests that are untouched by human activity absorbed 17 per cent of human-made carbon dioxin emissions in the 1990s, or about 46 billion tonnes. But two decades later that has fallen to six per cent, or 25 billion tonnes. The compromised capacity...
by | May 2, 2020
About 10 per cent of Hong Kong people aged over 65 show signs of depression, the result of stress, poor health and lack of social engagement. Similar factors can also darken the mood of the family members who look after elderly relatives suffering from dementia. The...
