By targeting those who profit most from the trade in threatened species, the motive - making money - can be removed.
My claim to infamy was being sentenced to 5,000 years in prison for failing to pay libel damages of $1.6m (£1.2m).
But solving the problem should be easier than dealing with other environmental harms, says Jan Piotrowski.
In a village outside Rwanda's capital Kigali, a group of boys are spending a rainy afternoon learning how to stop gender-based violence and the power imbalances in the #MeToo era.
"If you have expose your body, make money out of it, and my body is my business - and it is a money maker,"
Among the Ga, the people who are indigenous to Ghana's capital, Accra, a woman is entitled to a live sheep on the delivery of her 10th child. The word for it is "nyongmato".
The predator breeding industry in South Africa argues that captive lion populations serve as a buffer against wild lion poaching because it can satisfy the demand for bones.
The illegal exploitation of minerals remains the core cause of conflict and instability in Congo.
With the battle for their homes lost, residents in Kibera are now demanding compensation.
"Every landlord wants a tenant who will pay without stress and renew their contract once it expires,"
“At times, some men would pretend that they want to buy things from me, but later would be touching my body.” - “Tayo”, a 13 year old girl hawking on roadside.
In some parts of the world, a couple announce their betrothal with an engagement-ring selfie on Facebook. Among the urbanites of Niger, a pile of suitcases and a wad of money have become the equivalent.
The UN Water 2015 report found that most cities are not very resilient to water risks.
Beset by political and economic turmoil, the DR Congo faces a fresh threat in the form of brutal abductors who hold children to ransom.
A new wave of artists, activists and entrepreneurs are trying to improve Somalia’s capital city.
The contributions of all producers – including rural women – had to be counted to formulate policies that increased aggregate national income.