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yes / This third report from the Bradford NLW Project aims to give the reader a brief update of developments and debates within the NLWs field over the last few months. We hope that it will be of interest not only to NLW `specialists', but also to those with a general interest in this area. Interest in non-lethal weapons, which have been defined as being `explicitly designed and primarily employed to incapacitate personnel or material while minimising fatalities, permanent injury to personnel, and undesired damage to property and the environment', has increased dramatically over the last five years as a result of non-lethal technology progress and increasing calls from military forces (especially those engaged in peacekeeping) and civil police for more sophisticated non-lethal responses to violent incidents¿whilst there are evident advantages linked with non-lethal weapons, there are also key areas of concern associated with the development and deployment of such weapons. These include threats to existing weapons control treaties and conventions, their use in human rights violations (such as torture), harmful biomedical effects, and what some predict as a dangerous potential for use in social manipulation and social punishment within the context of a technology of political control.

This dissertation consists of three separate research projects. Each paper uses a different applied econometric technique to investigate problems related to air quality economics. The first chapter is a general introduction to all three studies. The second chapter explores adopting an environmentally-friendly public transportation system in Europe. The Bayesian econometric methods show that willingness to pay for a new public transportation system is primarily driven by improvements to public goods, such as air quality and greenhouse gas emission reduction. The third chapter uses the red tide-related stated experience and satellite imagery of chlorophyll-a concentration as well as field data of respiratory irritation. This chapter illustrates that ancillary scientific information can be efficiently combined with choice experimental data. The fourth chapter uses panel fixed-effect models to investigate the short-term effect of air pollution on students' cognitive performance in China. It is shown that PM2.5 has a significantly negative impact on students' exam performance. / Doctor of Philosophy / This dissertation consists of three separate research projects. The first chapter is a general introduction to all three chapters. The second chapter assesses residents' support for environmentally-friendly public transportation (EFPT) upgrades across Europe. We develop a novel Bayesian logit model to investigate residents' willingness to pay for local EFPT upgrades. We find evidence that WTP is primarily driven by expected improvements to public goods, such as air quality and greenhouse gas abatement, as opposed to private ridership benefits. WTP distributions are strongly positive in all nations suggesting implicit public support for EFPT in Europe. The third chapter presents a unique opportunity to validate stated experiences by Florida Gulf coast residents with red tide-related air toxins with satellite imagery of chlorophyll-a concentration, as well as field data on respiratory irritation at local beaches. We find that respondents are more likely to choose our proposed new harmful algal blooms forecast system when the chlorophyll-a concentration or respiratory irritation is higher at nearby coastal locations. Moreover, we illustrate that this ancillary scientific information can be efficiently combined with choice experimental data and consider this research a first step in a broader effort to directly link scientific data on environmental conditions with nonmarket economic outcomes. The fourth chapter investigates short-term exposure of air pollution on students' cognitive performance in a high-stakes exam: China's College English Test (CET). We use student fixed effects in the panel-data model to estimate the effect of air pollution on students' test scores. Our findings indicate a statistically significant negative effect of PM2.5 on exam performance and also show PM2.5 is equally harmful to listening and reading section, and maybe even more for writing section. We also find that short-term exposure causes negative cognitive effects, suggesting that temporary preventative measures could be effective in avoiding the negative effects of PM2.5.

The present research aimed to address two questions. First, is dating anxiety associated with sexual intimacy anxiety? Second, do young people who report harmful sexual behaviour, as an offence or harmful dating behaviour, have higher levels of dating and sexual intimacy anxiety than young people who report no harm, non-sexual harm or sexual and non-sexual harm (generalists)? The Dating Anxiety Scale for Adolescents (DAS-A) was used to measure overall dating anxiety. Questions relating DAS-A sub-factors fear of negative evaluation and social distress - dating were amended to measure sexual intimacy anxiety. A scale to measure partnership anxiety and sexual behaviour anxiety were designed. Participants were 77 young people aged 13 to 18 years (M = 15.4, SD = 1.41). Forty-five (58%) of participants were female and 32 (42%) participants were male. Results found a strong, significant association between higher levels of dating anxiety and higher levels of sexual intimacy anxiety r(75) = .80, p < .001. Young people who reported a sexual offence had significantly higher sexual behaviour anxiety than non-sexual offence (M = 15.82, SD = 6.23, p = .005) and generalist offence groups (M = 21.77, SD = 6.53, p = .044). Despite no other significant differences, a pattern emerged that suggests young people who report harmful sexual or generalist dating behaviour may have higher dating and sexual intimacy anxieties. Furthermore, young people who report harmful dating behaviour may have higher anxieties than young people who report an offence. The implications of the findings for future harmful sexual behaviour and harmful dating behaviour research and practice are discussed.

The initiation, persistence, and termination of harmful algal blooms (HABs) can all be influenced by nutrient availability. Recent studies have highlighted the role of both organic and inorganic nitrogen sources in HAB dynamics. The pelagophyte Aureoumbra lagunensis causes ecosystem disruptive algal blooms and is responsible for the longest recorded harmful algal bloom (1989-1997). Because of Aureoumbra's small size and its inability to use nitrate, it has been hypothesized that its ability to use ammonium and organic nitrogen, especially at low concentrations, contributed to the unusual persistence of this bloom. This project aimed to assess the response of Aureoumbra to inorganic and organic nitrogen sources by examining the expression of genes responsible for nitrogen assimilation, with an eventual intent of developing expression assays that are indicative of nitrogen source use and/or sufficiency in Aureoumbra. Large volume batch cultures of Aureoumbra were grown with either ammonium or urea as a nitrogen source. Physiological characteristics (C:N, chlorophyll [alpha] cell⁻¹, and Fv/Fm) were monitored throughout the growth period, and the expression of the AMT-1, AMT-2 and UREC genes was assayed at early-, mid- and late-exponential phases. The results show that Aureoumbra can use both ammonium and urea, and that it is well adapted to low-nutrient environments. Only one gene, AMT-1, appeared to be transcriptionally regulated in response to changing nitrogen concentration, and only to ammonium. The results of this study contribute to our understanding of how algae in general cope with low nutrient availability and should ultimately help to define the dynamics of these HAB events. / text