Powerful insect army reduces water hyacinth on Hartbeespoort Dam to 2.5%
/ 1 May 2024

Powerful insect army reduces water hyacinth on Hartbeespoort Dam to 2.5%

The tiny planthoppers are biological control agents and natural enemies of the world’s worst aquatic weed

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Seal off polluted dams to protect public health, says water expert
/ 15 February 2024

Seal off polluted dams to protect public health, says water expert

About 80% of the country’s dams are so enriched with nutrients they could produce toxic algal blooms

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Filthy rivers run through Cradle of Humankind
/ 12 August 2023

Filthy rivers run through Cradle of Humankind

Landowners and businesses in the Unesco World Heritage Site are up in arms over municipal sewage pollution

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Invasive water hyacinth explodes on Hartbeespoort Dam
/ 27 January 2023

Invasive water hyacinth explodes on Hartbeespoort Dam

Heavy rain and pollution has led to the aquatic weed increasing its coverage to about 50% of the dam

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Insect army winning fight against invasive water hyacinth
/ 13 April 2022

Insect army winning fight against invasive water hyacinth

The coverage of the invasive superweed has been reduced to 12.5% from 40% in February

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Insect army tackles Hartbeespoort Dam’s water hyacinths
/ 12 December 2021

Insect army tackles Hartbeespoort Dam’s water hyacinths

About 300 000 planthoppers have been released on Hartbeespoort Dam to control the green horror

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