Whatever the source, the researchers are concerned that this warming can lead to more melting and have direct and indirect effects on global sea levels.

BBC: West Antarctic Ice Sheet warming twice earlier estimate

The UN has appointed a special rapporteur on the right to food, Olivier De Schutter, who has sharply criticised the direct and indirect effects of biofuels on the poor.

BBC: EU acts against harm from biofuel crops

The researchers suggest that these fluctuations may have direct effects on airways. and indirect effects on inflammatory responses to infection.

BBC: Hormones in menstrual cycle 'affect asthma'

The devolution of the center position reflects a series of indirect effects and outcomes rather than direct managerial choices.

FORBES: NBA Centers Face Extinction