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Following our Japan trip in May 2017 we all returned to Hong Kong, after which Craig and Sonia headed home and Wendy and I headed to Shenzhen in China.
I have mentioned both these locations as a result of previous travels. They form what is effectively a single conurbation divided by the Hong Kong/Mainland border and this line also divides the population economically and in terms of population density.
These days there is a great deal of two way traffic between the two. It's very easy if one has the appropriate passes; and just a little less so for foreign tourists like us. Australians don't need a visa to Hong Kong but do need one to go into China unless flying through and stopping at certain locations for less than 72 hours. Getting a visa requires a visit to the Chinese consulate at home or sitting around in a reception room on the Hong Kong side of the border, for about an hour in a ticket-queue, waiting for a (less expensive) temporary visa to be issued.
With documents in hand it's no more difficult than walking from one metro platform to the next, a five minute walk, interrupted in this case by queues at the immigration desks. Both metros are world class and very similar, with the metro on the Chinese side a little more modern. It's also considerably less expensive. From here you can also take a very fast train to Guangzhou (see our recent visit there on this website) and from there to other major cities in China.
When I first saw this colourized image of Christmas Shopping in Pitt St in Sydney in December 1935, on Facebook (source: History of Australia Resources).
I was surprised. Conventional history has it that this was in the middle of the Great Depression. Yet the people look well-dressed (perhaps over-dressed - it is mid-summer) and prosperous. Mad dogs and Englishmen?
So, I did a bit of research.
It turns out that they spent a lot more of their income on clothes than we do (see below).
I originally wrote the paper, Issues Arising from the Greenhouse Hypothesis, in 1990 and do not see a need to revise it substantially. Some of the science is better defined and there have been some minor changes in some of the projections; but otherwise little has changed.
In the Introduction to the 2006 update to that paper I wrote:
Climate change has wide ranging implications... ranging from its impacts on agriculture (through drought, floods, water availability, land degradation and carbon credits) mining (by limiting markets for coal and minerals processing) manufacturing and transport (through energy costs) to property damage resulting from storms.
The issues are complex, ranging from disputes about the impact of human activities on global warming, to arguments about what should be done and the consequences of the various actions proposed.