Here are 8 more biodiversity cartoons (with a human population focus, given recent events) for your conservation-humour fix (see full stock of previous ‘Cartoon guide to biodiversity loss’ compendia here).
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Less affluent countries more prone to damage caused by biological invasions despite lower trade volume
Non-native species introduced mainly via increasing trade of goods and services have huge economic, health, and environmental costs. These ‘biological invasions’ involve the intentional or unintentional transport and release of species beyond their native biogeographical ranges, facilitating their potential spread. Over the last few decades, invasive species have incurred an average cost of at least…
ConservationBytes.com 
While it is true that population is increasing, it is also true that 80% resources are being used by 20% of the existing population, Accd to UNESCO reports consumption activities are driven by Northern customers (US,Canada and like) while less than 15% is consumed by others.
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There is a lot about population here. Everyone seems to be talking about how no-one is talking about it (and hasn’t this been the case for many years in conservation circles?). I agree that it is an issue, but several cogent commentators would say that while we are talking about why no-one is talking about population, what we are not talking about is why no-one is talking about consumption. It may get alluded to, but it is never seriously addressed, and it plays just as large a role in our global footprint, whilst also having many implications for social justice and humanitarian issues. I would suggest that anyone who wants to comment on the population problem starts by reading something like this by George Monbiot – http://www.monbiot.com/2009/09/29/the-population-myth/ – just to keep their position in perspective.
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